Nylon vs Polyester
Compare nylon and polyester for sportswear, activewear, bags, and performance fashion — strength, cost, and moisture management.
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Overview
Nylon and polyester are the two dominant synthetic fibers, but they serve different purposes in fashion. Both are petroleum-derived thermoplastics, yet their molecular structures give them distinct performance characteristics.
Nylon (polyamide) was the world's first fully synthetic fiber, invented by DuPont in 1935. It's renowned for its exceptional strength-to-weight ratio, elasticity, and abrasion resistance. Nylon dominates in activewear, swimwear, hosiery, and bags where durability under stress is critical.
Polyester (PET) was developed in the 1940s and has since overtaken nylon to become the world's most-produced fiber at 52% of global production. It excels in color retention, UV resistance, moisture-wicking, and affordability. Polyester dominates in everyday fashion, sportswear basics, and performance outerwear.
For Indian entrepreneurs entering the rapidly growing sportswear and activewear segment (growing at 12-15% CAGR in India), understanding these two fibers is essential for product development and sourcing decisions.
Nylon
Nylon: The Strength Champion
Key Properties:
- Strength: 2-3x stronger than polyester by weight; exceptional tensile strength
- Elasticity: Stretches up to 30% and recovers its shape (polyester stretches 15%)
- Abrasion Resistance: Superior — outlasts polyester in friction-intensive applications
- Softness: Naturally softer and silkier hand feel than polyester
- Water Absorption: Absorbs 3-4% of its weight (polyester absorbs <1%)
Types of Nylon:
- Nylon 6 — Most common, good general properties
- Nylon 6,6 — Higher melting point, better for industrial applications
- Ripstop Nylon — Grid-reinforced weave that prevents tearing
- CORDURA® Nylon — Ultra-durable, used in bags and military gear
- Nylon Spandex Blends — 80/20 or 90/10 for activewear with stretch
Best Use Cases:
- Swimwear and beachwear
- Leggings and yoga pants
- Hosiery and stockings
- Backpacks and bags
- Windbreakers and lightweight jackets
Pricing (India Market):
- Basic nylon fabric: ₹120-300/meter
- Performance nylon (moisture-wicking): ₹200-500/meter
- Nylon-spandex blend: ₹250-600/meter
- CORDURA/premium nylon: ₹400-800/meter
Polyester
Polyester: The Versatile All-Rounder
Key Properties:
- UV Resistance: Superior to nylon — doesn't degrade in sunlight as quickly
- Moisture-Wicking: Doesn't absorb water; moves moisture to surface for evaporation
- Color Retention: Holds dye exceptionally well; vibrant colors last longer
- Quick-Drying: Dries faster than nylon (doesn't absorb moisture at all)
- Cost: 30-50% cheaper than equivalent nylon fabrics
Types of Polyester:
- PET Polyester — Standard, most widely used
- Microfiber Polyester — Ultra-fine denier for luxury feel
- Recycled Polyester (rPET) — From plastic bottles, growing rapidly
- Polyester Mesh — Breathable, used in sportswear panels
- DryFit/CoolMax Polyester — Engineered moisture-wicking variants
Best Use Cases:
- T-shirts and casual sportswear
- Outdoor jackets and outerwear
- Sublimation-printed jerseys and uniforms
- Quick-dry travel clothing
- Budget-friendly activewear
Pricing (India Market):
- Basic polyester: ₹40-120/meter
- Performance polyester: ₹100-300/meter
- Recycled polyester: ₹120-350/meter
- Microfiber polyester: ₹150-400/meter
Side-by-Side Comparison
| Feature | Nylon | Polyester |
|---|---|---|
| Strength (Tensile) | Superior (2-3x stronger) | Good |
| Elasticity | High (stretches 30%) | Moderate (stretches 15%) |
| Abrasion Resistance | Excellent | Good |
| UV Resistance | Poor (degrades in sunlight) | Excellent |
| Moisture Behavior | Absorbs 3-4% (slower dry) | Absorbs <1% (faster dry) |
| Color Retention | Good | Excellent |
| Softness | Softer, silkier feel | Slightly rougher |
| Price (India) | ₹120-800/m | ₹40-400/m |
| Odor Resistance | Poor (retains odor) | Moderate (better than nylon) |
| Heat Resistance | Lower melting point | Higher heat tolerance |
| Best For | Swimwear, leggings, bags | T-shirts, jackets, jerseys |
| Sustainability Option | Econyl (recycled nylon) | rPET (recycled polyester) |
Verdict
For sportswear and activewear in India, polyester is the default — but nylon wins for specific applications.
Choose nylon for:
- Swimwear — nylon's chlorine resistance and elasticity are essential
- Yoga pants and leggings — the stretch recovery and soft hand feel justify the higher cost
- Bags and accessories — nylon's abrasion resistance makes it last years longer
- Premium activewear — when you want that luxury, silky feel
Choose polyester for:
- Sports jerseys and team wear — sublimation printing only works on polyester
- Budget activewear — 30-50% cheaper for comparable performance
- Outdoor gear — better UV resistance for sun-exposed clothing
- Quick-dry basics — polyester's zero absorption means fastest drying time
For most Indian activewear startups: Start with polyester (lower cost, easier sourcing), and add nylon pieces for premium product lines.
Entrepreneur's Perspective
India's activewear market is booming — here's how to choose wisely:
Market opportunity: India's sportswear and activewear segment is growing at 12-15% CAGR and projected to reach ₹1.2 lakh crore by 2028. Brands like HRX, Reebok India, Cultsport, and Boldfit are leading the charge.
Sourcing strategy:
- Polyester activewear fabric: Source from Ludhiana (Punjab) and Surat (Gujarat) — both have established hosiery and activewear fabric industries
- Nylon activewear fabric: More limited in India — Ludhiana has some options, but many brands import from China, Taiwan, or South Korea for technical nylon fabrics
- Blended fabrics: Nylon-spandex (80/20) and polyester-spandex (90/10) from Tirupur manufacturers
Pricing strategy for activewear brands:
- Polyester t-shirt: Manufacturing ₹150-300 → Sell at ₹799-1,499 (3-5x)
- Nylon leggings: Manufacturing ₹250-500 → Sell at ₹1,299-2,499 (3-5x)
- The nylon premium is justified to customers by positioning as "luxury activewear"
Frequently Asked Questions
It depends on the garment. Polyester is better for gym t-shirts and tanks — it wicks moisture faster and dries quicker. Nylon is better for leggings and compression wear — it stretches more, recovers better, and feels softer against skin. Most premium activewear brands use nylon-spandex blends for bottoms and polyester for tops.
Nylon production is more complex and energy-intensive than polyester. The raw material (caprolactam) is costlier than PET precursors, and the manufacturing process requires higher temperatures and more sophisticated equipment. Additionally, nylon production volumes are much lower than polyester globally, so economies of scale don't reduce prices as much.
Nylon is significantly better for swimwear. It has superior chlorine resistance, better elasticity to maintain shape after stretching, faster drying, and a softer feel against wet skin. Most quality swimwear brands use 80% nylon / 20% spandex blends. Polyester swimwear exists at budget price points but deteriorates faster with pool chemical exposure.
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Quick Summary
Superior (2-3x stronger)
Good
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