Nylon Spandex vs Cotton Spandex: The Complete Stretch Fabric Comparison
Stretch fabrics are essential for modern sewing — from swimwear and activewear to comfortable everyday clothing. But not all stretch fabrics are the same. The two most popular options, nylon spandex and cotton spandex, serve very different purposes. This guide compares both so you can choose the right one for your project.
What Is Nylon Spandex Fabric?
Nylon spandex (also called nylon lycra) is a synthetic blend typically made with 80-85% nylon and 15-20% spandex (elastane). It's a smooth, lightweight fabric with excellent 4-way stretch and recovery. The nylon base gives it a silky, slightly shiny surface, while the spandex provides stretch in all directions.
At EOVEA, our nylon spandex fabric comes in 15+ vibrant colors, sold by the yard in 58-60" width — ideal for swimwear, dance costumes, and athletic apparel.
Key Properties of Nylon Spandex
- 4-way stretch — stretches both horizontally and vertically
- Moisture-wicking — pulls sweat away from the body
- Quick-drying — ideal for swim and activewear
- Chlorine-resistant — holds up in pools
- Smooth, silky hand feel — comfortable against skin
- Wrinkle-resistant — maintains shape beautifully
What Is Cotton Spandex Fabric?
Cotton spandex (also called cotton lycra or cotton jersey) blends natural cotton with a small percentage of spandex — typically 92-95% cotton and 5-8% spandex. This creates a soft, breathable knit fabric with comfortable stretch. It feels like your favorite t-shirt but with added flexibility.
EOVEA's cotton spandex jersey fabric is a 10 oz mid-weight knit available in 20+ colors — perfect for t-shirts, leggings, dresses, and casual apparel.
Key Properties of Cotton Spandex
- 2-way or 4-way stretch — depends on the knit structure
- Breathable — natural cotton fiber allows airflow
- Soft hand feel — comfortable, non-synthetic texture
- Absorbent — soaks up moisture (not ideal for swim)
- Hypoallergenic — great for sensitive skin
- Easy to sew — behaves more predictably than synthetics
Side-by-Side Comparison
| Feature | Nylon Spandex | Cotton Spandex |
|---|---|---|
| Stretch | 4-way, high recovery | 2-4 way, moderate recovery |
| Feel | Smooth, silky | Soft, natural |
| Weight | Lightweight (4-6 oz) | Mid-weight (8-10 oz) |
| Breathability | Moderate | High |
| Moisture | Wicks & dries fast | Absorbs & holds |
| Chlorine Safe | Yes | No |
| Durability | Very high | Moderate |
| Price | $$ per yard | $ per yard |
| Sewing Ease | Intermediate | Beginner-friendly |
| Best For | Swim, dance, athletic | T-shirts, casual, lounge |
Best Uses for Each Fabric
Choose Nylon Spandex For:
- Swimwear — bikinis, one-pieces, swim trunks
- Dance & gymnastics — leotards, unitards
- Activewear — sports bras, compression wear
- Costumes — bodysuits, cosplay, performance wear
- Shapewear — body-contouring garments
Choose Cotton Spandex For:
- T-shirts & tops — everyday casual wear
- Leggings & yoga pants — comfortable stretch
- Dresses & skirts — fitted silhouettes
- Baby & kids clothing — soft on sensitive skin
- Undergarments — breathable, comfortable fit
Sewing Tips for Stretch Fabrics
Both nylon spandex and cotton spandex require some special handling:
- Use a ballpoint or stretch needle — prevents skipped stitches and fabric damage
- Use a stretch stitch or zigzag — allows seams to stretch with the fabric
- Reduce presser foot pressure — prevents stretching while sewing
- Use a walking foot or serger — ensures even feeding
- Don't stretch while cutting — use pattern weights instead of pins
For nylon spandex specifically, use a microtex or universal needle for the best results on the slippery surface. For cotton spandex, a standard ballpoint needle works perfectly.
Care Instructions
Nylon Spandex: Machine wash cold, gentle cycle. Hang dry or tumble dry low. Avoid high heat — it degrades the spandex fibers. Do not bleach or iron directly.
Cotton Spandex: Machine wash warm, tumble dry low. Cotton can handle slightly more heat, but high temperatures will still reduce stretch recovery over time. Can be ironed on low.
Which Should You Choose?
The decision comes down to your project and priorities:
- Need water resistance? → Nylon spandex
- Want natural comfort? → Cotton spandex
- Making activewear? → Nylon spandex (moisture-wicking)
- Making casual clothing? → Cotton spandex (breathable)
- On a budget? → Cotton spandex (lower cost per yard)
- Need maximum durability? → Nylon spandex (stronger fibers)
Both fabrics are available by the yard at EOVEA with fast USA shipping. Browse our complete fabric buying guide for more help choosing the right material.
Frequently Asked Questions
Can I use nylon spandex for everyday clothing?
Yes, but it's more suited for athletic and performance wear. For casual everyday clothing like t-shirts and dresses, cotton spandex is more comfortable and breathable.
Is cotton spandex good for swimwear?
No. Cotton absorbs water and becomes heavy when wet. For swimwear, always choose nylon spandex — it's chlorine-resistant and quick-drying.
What needle should I use for spandex fabric?
Use a ballpoint or stretch needle (size 75/11 or 80/12) for both types. For nylon spandex, a microtex needle also works well on the smooth surface.
Can I mix nylon and cotton spandex in one garment?
It's possible but not recommended — they have different stretch recovery rates and care requirements, which can cause uneven wear over time.
Related Fabric Guides
- Nylon Spandex Fabric by the Yard
- Cotton Spandex Jersey Fabric
- How to Sew Spandex Fabric
- Spandex Care Guide
Shop all fabrics at EOVEA Fabric — premium craft fabric by the yard with fast USA shipping.