T-Shirt Fabric Material Comparison Guide for B2B Buyers

1. Understanding T-Shirt Fabric Materials: The Four Core Options

When sourcing t-shirts for wholesale or private label production, fabric material selection is the single most critical decision affecting cost, quality, customer satisfaction, and repeat orders. For B2B buyers sourcing through Alibaba.com, understanding the fundamental differences between cotton, polyester, spandex, and nylon is essential for making informed purchasing decisions.

The global t-shirt market is experiencing steady growth, valued at USD 31.9 billion in 2026 and projected to reach USD 45.08 billion by 2035 with a compound annual growth rate of 3.9% ^[1]. Within this market, fabric material segmentation reveals cotton as the dominant choice, while synthetic fibers like polyester demonstrate the fastest growth trajectory—reflecting evolving consumer preferences and cost pressures in the apparel industry.

T-Shirt Fabric Material Comparison at a Glance

Material	Cost Level	Breathability	Durability	Care Requirements	Best Use Cases
100% Cotton	Medium-High	Excellent	Good (shrinks)	Machine wash, may shrink	Casual wear, premium brands, sensitive skin
100% Polyester	Low	Poor	Excellent	Easy care, quick dry	Athletic wear, uniforms, budget segments
Cotton-Polyester Blend (50/50)	Low-Medium	Good	Very Good	Easy care, minimal shrinkage	Mass market, promotional items, everyday wear
Cotton-Spandex Blend (95/5)	Medium-High	Excellent	Good	Gentle wash, retain shape	Fitted t-shirts, women's apparel, premium casual
Nylon-Spandex Blend	Medium	Moderate	Excellent	Easy care, quick dry	Performance wear, athletic compression

Cost levels are relative benchmarks for B2B wholesale procurement. Actual pricing varies by GSM, finish, order volume, and supplier location.

Cotton remains the gold standard for t-shirt production, particularly for brands targeting comfort-conscious consumers. The cotton fabric market itself is valued at USD 155 billion in 2026, growing to USD 225.66 billion by 2035 at a CAGR of 6.8% ^[2]. Within cotton options, buyers encounter several grades: combed cotton (premium, softer), open-end cotton (cost-effective, slightly rougher), and ring-spun cotton (durable, smooth finish).

Polyester, a synthetic fiber derived from petroleum, has gained significant market share due to its low cost, durability, and moisture-wicking properties. While traditionally associated with lower-quality garments, modern polyester blends have improved dramatically, making them viable for athletic wear and budget-conscious segments.

Spandex (also known as elastane or Lycra) is rarely used alone but blended with cotton or polyester to add stretch and shape retention. The global spandex market is projected to grow from USD 9.25 billion in 2026 to USD 12.45 billion by 2032 (CAGR 5.01%), driven primarily by athletic and performance wear demand ^[3].

Nylon, another synthetic fiber, offers exceptional durability and quick-drying properties but is less common in casual t-shirts. It's primarily used in performance and athletic apparel where moisture management and abrasion resistance are priorities.

2. Cost Analysis: Fabric Material Pricing for B2B Wholesale

For Southeast Asian exporters and global buyers sourcing through Alibaba.com, understanding cost structures is critical for pricing strategy and margin planning. Fabric material choice directly impacts landed cost, and the price differential between materials can range from 30% to 200% depending on quality grade and order volume.

Cotton Pricing Dynamics:

Cotton prices are subject to agricultural commodity markets, weather patterns, and geopolitical factors. Premium combed cotton commands 40-60% higher prices than open-end cotton. For B2B wholesale orders, expect the following baseline pricing (FOB, per kg):

Open-end cotton: USD 3.50-4.50/kg
Combed cotton: USD 5.50-7.00/kg
Ring-spun cotton: USD 6.00-8.00/kg
Organic cotton: USD 8.00-12.00/kg (premium segment)

Polyester Pricing Dynamics:

Polyester, being petroleum-derived, is subject to oil price fluctuations but generally offers more stable pricing than cotton. Baseline wholesale pricing:

Standard polyester: USD 2.00-3.00/kg
Moisture-wicking polyester: USD 3.50-5.00/kg
Recycled polyester (rPET): USD 4.00-6.00/kg (growing demand from eco-conscious brands)

Key Cost Insight: A 50/50 cotton-polyester blend typically costs 25-35% less than 100% combed cotton while offering comparable durability and easier care—making it the most popular choice for mass-market t-shirt production on Alibaba.com marketplace.

Spandex and Nylon Add-ons:

Spandex is almost always used as a blend component (typically 3-8% of total fabric weight). Adding 5% spandex to a cotton base increases fabric cost by approximately 15-20%, but significantly improves fit and shape retention—critical for women's fitted t-shirts and premium casual wear.

Nylon pricing is comparable to premium polyester but offers superior abrasion resistance. For athletic and performance wear, nylon-spandex blends command 20-30% premium over polyester-spandex equivalents.

Hidden Cost Factors:

Beyond raw material costs, B2B buyers must consider:

GSM (Grams per Square Meter): Higher GSM = more fabric per shirt = higher cost. Standard t-shirts range from 150-220 GSM. Premium brands often specify 200+ GSM.
Finish and Treatment: Mercerization, enzyme wash, pre-shrinking, and special finishes add 10-25% to base fabric cost.
MOQ (Minimum Order Quantity): Lower MOQs typically carry 20-40% price premiums. Alibaba.com suppliers often offer tiered pricing based on volume.
Certification Costs: GOTS (organic), OEKO-TEX, or other certifications add 5-15% but enable premium pricing in Western markets.

3. Durability and Performance: What Buyers Really Experience

Durability is a critical factor for B2B buyers, especially those sourcing for corporate uniforms, promotional merchandise, or retail brands where repeat purchases and customer satisfaction directly impact long-term profitability. Let's examine how each material performs in real-world conditions.

Cotton Durability:

Cotton offers good durability but has notable weaknesses:

Shrinkage: 100% cotton can shrink 3-5% after first wash unless pre-shrunk. This creates sizing consistency challenges for brands.
Pilling: Lower-grade cotton (open-end) tends to pill after 10-15 washes. Combed and ring-spun cotton resist pilling significantly better.
Color Fading: Cotton holds dye well initially but fades gradually over repeated washing. Reactive dyes improve colorfastness but add cost.
Strength: Cotton tensile strength decreases when wet, making it less ideal for high-stress applications.

Polyester Durability:

Polyester excels in durability metrics:

Shrinkage: Minimal to none (<1%), even after multiple washes.
Pilling: Modern polyester blends resist pilling well, though lower-quality polyester can pill in high-friction areas.
Color Retention: Excellent colorfastness; polyester holds dye through many wash cycles.
Strength: Maintains strength when wet; superior abrasion resistance compared to cotton.

Reddit User• r/AusFemaleFashion

I run a small clothing brand and switching to natural fibers has been challenging. Polyester is so much easier to work with—no shrinkage issues, colors stay vibrant, and customers don't complain about fit changes after washing. But I know eco-conscious buyers prefer cotton. It's a constant balancing act between quality, cost, and customer expectations ^[6].

Discussion on polyester vs natural fibers for small business apparel, 20 upvotes

Spandex Performance:

Spandex's primary function is stretch and recovery. Quality spandex maintains 95%+ recovery after repeated stretching, but degrades over time:

Heat Sensitivity: Spandex breaks down at high temperatures. Washing above 40°C (104°F) accelerates degradation.
Chlorine Damage: Pool chlorine destroys spandex fibers. Not suitable for swimwear without special treatment.
Lifespan: Typical spandex blend garments maintain optimal stretch for 50-100 wash cycles before noticeable degradation.

Nylon Performance:

Nylon offers exceptional durability for performance applications:

Abrasion Resistance: 10x more abrasion-resistant than cotton.
Quick-Drying: Absorbs only 4% of its weight in water vs cotton's 7%.
UV Resistance: Better UV resistance than cotton, making it suitable for outdoor athletic wear.
Static Buildup: Nylon tends to generate static electricity, which can be mitigated with anti-static finishes.

4. Breathability and Comfort: The Customer Experience Factor

While durability matters for B2B buyers, end-customer comfort drives repeat purchases and brand loyalty. Breathability and hand-feel are subjective but critical factors that vary significantly across fabric materials.

Cotton Comfort Profile:

Cotton is the benchmark for comfort:

Breathability: Excellent air permeability; cotton fibers allow moisture vapor to escape, keeping skin cool.
Moisture Absorption: Cotton absorbs up to 27% of its weight in moisture before feeling damp—ideal for everyday wear.
Hand-Feel: Soft, natural texture that improves with washing (for quality cotton).
Temperature Regulation: Cotton performs well across temperature ranges but retains moisture in humid conditions, potentially feeling clammy.

Polyester Comfort Profile:

Traditional polyester has poor breathability, but modern innovations have improved performance:

Breathability: Standard polyester traps heat and moisture. Moisture-wicking polyester uses engineered fiber cross-sections to move sweat away from skin.
Moisture Management: Polyester doesn't absorb moisture but can wick it to the surface for evaporation.
Hand-Feel: Can feel synthetic or plasticky unless blended or treated. Microfiber polyester improves softness significantly.
Temperature: Polyester retains body heat, making it warmer than cotton—beneficial for cold weather, problematic for hot climates.

Reddit User• r/Fabrics

I'm sourcing fabric for bulk t-shirt orders and trying to understand GSM vs thread count. For combed cotton and ring-spun cotton, what GSM should I target for quality wholesale t-shirts? I've seen everything from 150 to 220 GSM and the price differences are significant ^[7].

Question about GSM and cotton quality metrics for bulk orders

Spandex Impact on Comfort:

Spandex itself has minimal breathability but is used in small percentages that don't significantly impact overall fabric breathability:

Stretch Comfort: Spandex adds freedom of movement without restricting breathability of base fabric.
Fit: Enables fitted silhouettes that cotton alone cannot achieve without bagging.
Recovery: Maintains shape after stretching, preventing the "stretched out" look after wear.

Nylon Comfort Profile:

Nylon's comfort varies by application:

Breathability: Moderate; better than standard polyester but not as breathable as cotton.
Moisture: Quick-drying but can feel clammy against skin during intense activity.
Hand-Feel: Smooth, slightly cool to touch; often treated for softness in apparel applications.
Best Use: Performance and athletic wear where moisture management trumps pure comfort.

GSM and Comfort Correlation:

GSM (grams per square meter) directly impacts comfort and perceived quality:

150-170 GSM: Lightweight, suitable for hot climates and layering. May feel thin or cheap.
180-200 GSM: Standard quality; good balance of comfort, durability, and cost.
210-220+ GSM: Premium feel; substantial hand-feel, better opacity, higher cost ^[4].

5. Care and Maintenance: Operational Considerations for Buyers

For B2B buyers sourcing t-shirts for retail, corporate uniforms, or promotional merchandise, care requirements impact customer satisfaction, return rates, and brand reputation. Fabric material choice determines washing instructions, drying methods, and overall maintenance burden.

Cotton Care Requirements:

Washing: Machine washable; warm water (40°C/104°F) recommended for best results.
Drying: Tumble dry medium heat; high heat accelerates shrinkage and wear.
Ironing: Cotton wrinkles easily; ironing often required for professional appearance.
Shrinkage Management: Pre-shrunk cotton minimizes but doesn't eliminate shrinkage. Buyers should order slightly larger sizes or specify pre-shrunk fabric.
Special Considerations: White cotton yellows over time; bleach accelerates fiber degradation.

Polyester Care Requirements:

Washing: Machine washable; cold to warm water. Polyester is forgiving and low-maintenance.
Drying: Low heat or air dry; high heat can melt or damage fibers.
Ironing: Polyester resists wrinkles; low-heat ironing only if needed.
Stain Resistance: Polyester is more stain-resistant than cotton but oil-based stains are harder to remove.
Special Considerations: Avoid fabric softeners—they coat fibers and reduce moisture-wicking performance.

Reddit User• r/ClothingStartups

For anyone sourcing blanks: I order blanks locally and do custom printing overseas. Shipping costs are the real issue—fabric weight and volume add up fast. If you're doing bulk orders, factor in at least 20-30% of product cost for shipping and duties ^[8].

Discussion on shipping cost and sourcing strategy for t-shirt businesses, 2 upvotes

Spandex Care Requirements:

Spandex blends require gentler handling:

Washing: Cold water recommended; hot water degrades spandex fibers.
Drying: Air dry or low heat; high heat destroys elasticity.
Ironing: Avoid direct ironing; use low heat with pressing cloth if needed.
Detergent: Avoid bleach and fabric softeners—both damage spandex.
Lifespan: Expect 1-2 years of regular wear before noticeable stretch degradation.

Nylon Care Requirements:

Washing: Machine washable; cold to warm water.
Drying: Low heat or air dry; nylon can melt at high temperatures.
Ironing: Low heat only; nylon is heat-sensitive.
Special Considerations: Nylon attracts lint and pet hair; anti-static treatments help.

Care Label Implications:

For B2B buyers, care requirements translate to care label costs and customer education:

Simple Care (polyester blends): Single-step washing instructions; lower customer confusion.
Complex Care (cotton-spandex): Multiple warnings (no bleach, low heat, etc.); higher risk of customer misuse.
Premium Positioning: Detailed care instructions can signal quality but also create perceived maintenance burden.

6. Best Use Cases: Matching Fabric to Application

No single fabric material is universally "best"—optimal choice depends on target market, price point, brand positioning, and end-use application. Here's how to match fabric to use case:

100% Cotton: Premium Casual and Sensitive Skin Markets

Best for:

Premium retail brands targeting comfort-conscious consumers
Baby and children's apparel (hypoallergenic, soft)
Sensitive skin markets (eczema, allergy sufferers)
Eco-conscious brands (especially organic cotton)
Hot climate markets where breathability is critical

Avoid for:

Budget segments where cost is primary driver
Athletic or performance wear requiring moisture management
Applications requiring shape retention after repeated wear

100% Polyester: Athletic and Budget Segments

Best for:

Athletic and performance wear (moisture-wicking variants)
Corporate uniforms requiring durability and easy care
Budget retail segments and promotional merchandise
Sublimation printing applications (polyester accepts sublimation dye)
Outdoor and workwear requiring abrasion resistance

Avoid for:

Premium casual wear where natural feel is expected
Hot climate casual wear (traps heat)
Eco-conscious consumer segments (unless recycled polyester)

Fabric Selection Decision Matrix by Buyer Type

Buyer Profile	Recommended Fabric	Rationale	Price Positioning
Premium Retail Brand	100% Combed Cotton or Cotton-Spandex (95/5)	Superior comfort, natural feel, brand differentiation	High
Mass Market Retailer	50/50 Cotton-Polyester Blend	Cost efficiency, durability, easy care, broad appeal	Medium
Athletic/Performance Brand	Polyester-Spandex or Nylon-Spandex	Moisture management, stretch, quick-dry performance	Medium-High
Promotional/Corporate	100% Polyester or 50/50 Blend	Low cost, durability, print compatibility, easy care	Low-Medium
Eco-Conscious Brand	Organic Cotton or Recycled Polyester	Sustainability credentials, consumer alignment	High
Budget Retailer	Open-End Cotton or 100% Polyester	Lowest cost, acceptable quality for price point	Low

This matrix helps Southeast Asian exporters on Alibaba.com match fabric recommendations to buyer profiles and market positioning.

Cotton-Polyester Blends (50/50, 60/40, 65/35): The Mass Market Sweet Spot

Blends dominate the mass market for good reason:

Cost: 25-35% lower than 100% cotton
Durability: Better than cotton alone; resists shrinking and wrinkling
Comfort: Retains cotton's breathability while adding polyester's durability
Care: Easier than 100% cotton; less ironing required
Print Compatibility: Works well with screen printing, DTG, and heat transfer

Best for: Everyday casual wear, school uniforms, promotional t-shirts, mid-tier retail brands.

Cotton-Spandex Blends (95/5, 98/2): Fitted and Women's Apparel

Adding 2-5% spandex transforms cotton's performance:

Fit: Enables fitted silhouettes without bagging
Comfort: Retains cotton's breathability and softness
Shape: Maintains shape after repeated wear and washing
Premium Feel: Signals higher quality to consumers

Best for: Women's fitted t-shirts, premium casual wear, fashion-forward brands targeting younger demographics.

Tri-Blends (Cotton-Polyester-Rayon): The Premium Casual Option

Tri-blends (typically 50/25/25 or similar ratios) offer:

Softness: Rayon adds exceptional softness and drape
Vintage Feel: Naturally distressed, soft hand-feel out of the package
Breathability: Better than 100% polyester
Cost: Higher than 50/50 blends but lower than premium cotton

Best for: Premium casual brands, vintage-style apparel, fashion-forward retail segments ^[4].

7. Real Market Feedback: What B2B Buyers Are Saying

To understand real-world buyer priorities and pain points, we analyzed discussions from B2B sourcing communities, apparel startup forums, and wholesale buyer groups. Here's what actual buyers are discussing:

Key Theme 1: Shipping Costs and Sourcing Strategy

One of the most discussed topics among B2B t-shirt buyers is the total landed cost—including shipping, duties, and logistics. As one Reddit user noted:

"For anyone sourcing blanks: I order blanks locally and do custom printing overseas. Shipping costs are the real issue—fabric weight and volume add up fast. If you're doing bulk orders, factor in at least 20-30% of product cost for shipping and duties." ^[8]

This insight is critical for Southeast Asian exporters: competitive FOB pricing means little if shipping costs erode buyer margins. Alibaba.com sellers who offer transparent shipping estimates and consolidated shipping options gain significant competitive advantage.

Key Theme 2: Quality Metrics and GSM Standards

Buyers consistently struggle with understanding and specifying quality metrics:

"I'm sourcing fabric for bulk t-shirt orders and trying to understand GSM vs thread count. For combed cotton and ring-spun cotton, what GSM should I target for quality wholesale t-shirts? I've seen everything from 150 to 220 GSM and the price differences are significant." ^[7]

This reveals an education opportunity: Alibaba.com sellers who proactively explain GSM, fabric construction, and quality grades in their product listings reduce buyer confusion and increase conversion rates.

Reddit User• r/AusFemaleFashion

I run a small clothing brand and switching to natural fibers has been challenging. Polyester is so much easier to work with—no shrinkage issues, colors stay vibrant, and customers don't complain about fit changes after washing. But I know eco-conscious buyers prefer cotton. It's a constant balancing act between quality, cost, and customer expectations ^[6].

Discussion on polyester vs natural fibers for small business apparel, 20 upvotes

Key Theme 3: Small Business Challenges with Natural Fibers

Small and medium-sized buyers face unique challenges when working with natural fibers:

"I run a small clothing brand and switching to natural fibers has been challenging. Polyester is so much easier to work with—no shrinkage issues, colors stay vibrant, and customers don't complain about fit changes after washing. But I know eco-conscious buyers prefer cotton. It's a constant balancing act between quality, cost, and customer expectations." ^[6]

This feedback reveals a critical tension: while cotton commands premium positioning and aligns with sustainability trends, it introduces operational complexity (shrinkage, color variation, care requirements) that small buyers may struggle to manage. Alibaba.com sellers who offer pre-shrunk cotton, color-fastness guarantees, and detailed care documentation can differentiate themselves.

Key Theme 4: Manufacturing Capabilities and Full-Service Suppliers

Buyers increasingly seek suppliers who offer end-to-end services:

"We are a knit garments manufacturer. We can produce from yarn to packaging. MOQ is flexible for the right partner. Looking for long-term B2B relationships." ^[9]

This reflects a broader trend: buyers prefer working with suppliers who can handle multiple production stages, reducing coordination overhead and quality risks. Alibaba.com sellers who highlight full-service capabilities (yarn sourcing, knitting, dyeing, cutting, sewing, packaging) attract higher-value buyers.

Alibaba.com Supplier• r/ClothingStartups

We are a knit garments manufacturer. We can produce from yarn to packaging. MOQ is flexible for the right partner. Looking for long-term B2B relationships ^[9].

Supplier offering full-service t-shirt manufacturing, 1 upvote

8. Sourcing on Alibaba.com: Best Practices for Fabric Selection

For Southeast Asian exporters and global buyers using Alibaba.com to source t-shirt fabrics, following best practices ensures successful transactions and long-term supplier relationships.

1. Specify Fabric Requirements Clearly

Don't just request "cotton t-shirts." Specify:

Material composition: "95% cotton, 5% spandex" or "50% cotton, 50% polyester"
GSM: "200 GSM +/- 5%" for quality consistency
Cotton grade: "Combed ring-spun cotton" vs "open-end cotton"
Finish: "Pre-shrunk," "enzyme washed," "mercerized"
Certifications: "OEKO-TEX Standard 100," "GOTS organic" (if required)

Clear specifications reduce misunderstandings and enable accurate quoting.

2. Request Fabric Swatches Before Bulk Orders

Never place bulk orders without physical samples:

Request A4-size fabric swatches in all color options
Test wash samples to verify shrinkage and colorfastness
Evaluate hand-feel and drape against your quality standards
Compare swatches from multiple suppliers before deciding

Alibaba.com suppliers who offer free or low-cost swatches demonstrate confidence in their quality.

3. Verify Supplier Capabilities

Not all Alibaba.com suppliers are equal. Verify:

Factory audits: Request third-party audit reports (SGS, BV, Intertek)
Production capacity: Ensure supplier can handle your order volume and timeline
Quality control: Ask about in-process QC and final inspection procedures
Compliance: Verify social compliance (BSCI, Sedex) if required by your market

Alibaba.com Advantage: The platform's Trade Assurance program protects buyers from order discrepancies, including fabric composition mismatches. Always use Trade Assurance for first-time supplier relationships.

4. Understand Total Landed Cost

FOB price is only part of the equation. Calculate:

Freight costs: Sea freight vs air freight based on timeline and budget
Import duties: Vary by country and fabric composition (check HS codes)
Insurance: Cargo insurance for high-value orders
Warehousing: Storage costs if receiving large volumes

One buyer noted: "Shipping costs are the real issue—fabric weight and volume add up fast. Factor in at least 20-30% of product cost for shipping and duties" ^[8]. Build this into your pricing model from the start.

5. Build Long-Term Supplier Relationships

The best Alibaba.com suppliers become strategic partners:

Start small: Place trial orders before committing to large volumes
Communicate clearly: Provide detailed feedback on quality and delivery
Pay on time: Reliable payment history builds trust and priority treatment
Share forecasts: Help suppliers plan capacity for your peak seasons
Visit factories: If possible, visit supplier facilities to strengthen relationships

6. Leverage Alibaba.com Tools

Maximize platform features:

RFQ (Request for Quotation): Post detailed requirements and receive competitive bids
Verified Supplier: Filter for suppliers with third-party verification
Trade Assurance: Protect payments and ensure order compliance
Inspection Services: Arrange third-party inspection before shipment

For Southeast Asian exporters listing on sell on Alibaba.com, highlighting these capabilities in your product listings and company profile increases buyer confidence and conversion rates.

9. Making the Right Choice: No Single "Best" Fabric

After analyzing market data, industry reports, and real buyer feedback, one conclusion is clear: there is no universally "best" t-shirt fabric material. The optimal choice depends on your specific business context:

Choose 100% Cotton If:

Your target market values natural fibers and comfort
You're positioning as a premium or eco-conscious brand
Your customers have sensitive skin or prefer hypoallergenic materials
You can manage shrinkage and care complexity
Your price point supports higher material costs

Choose Polyester If:

Cost is the primary driver for your market
You're producing athletic or performance wear
You need easy-care, durable garments for uniforms or workwear
You're using sublimation printing techniques
Your customers prioritize function over natural feel

Choose Cotton-Polyester Blends If:

You're targeting the mass market with balanced value
You need durability without sacrificing all comfort
You want easier care than 100% cotton
You're producing everyday casual wear or promotional items
You need to hit a specific price point while maintaining acceptable quality

Choose Cotton-Spandex Blends If:

You're producing fitted or women's apparel
Shape retention is critical for your designs
You're positioning in the premium casual segment
Your customers value comfort with stretch
You can justify the 15-20% cost premium over 100% cotton

The Reality of Market Trends:

Market data shows cotton remains dominant, but synthetic fibers are gaining share:

Cotton fabric market growing at 6.8% CAGR—healthy but not explosive ^[2]
Polyester showing fastest growth in t-shirt segment—reflecting cost and performance advantages ^[1]
Spandex demand driven by athletic wear expansion—5.01% CAGR through 2032 ^[3]
Blended fabrics (tri-blends, cotton-poly, cotton-spandex) capturing mid-market—balancing cost, comfort, and performance

For Southeast Asian exporters on Alibaba.com, this means:

Diversify your fabric offerings—don't bet on a single material
Educate buyers on fabric differences—position yourself as a trusted advisor
Offer multiple price tiers—entry-level (polyester), mid-market (blends), premium (cotton)
Highlight certifications—OEKO-TEX, GOTS, recycled content for eco-conscious buyers
Provide transparent specs—GSM, composition, shrinkage rates, care instructions

Final Recommendation:

The most successful Alibaba.com sellers in the t-shirt category don't push a single "best" fabric. Instead, they:

Offer a range of fabric options across price points
Provide detailed fabric education in product listings
Share fabric swatches freely to build trust
Support buyers in matching fabric to their specific market needs
Build long-term relationships through consistent quality and communication

For buyers, the key is understanding your target customer, price point, and brand positioning—then selecting fabric accordingly. For sellers, the opportunity lies in becoming a fabric expert who guides buyers to the right choice, not just the most expensive option.

This approach builds trust, reduces returns, and creates the foundation for repeat business—the hallmark of successful B2B relationships on Alibaba.com marketplace.