Modern yoga and sports leggings are primarily made from synthetic performance fabrics and blends designed for flexibility, moisture-wicking, and durability1. Here are the key materials used:
Core Materials:
- Polyester – Lightweight, durable, and moisture-wicking
- Nylon – Strong, stretchy, and quick-drying
- Spandex/Elastane – Provides stretch and shape retention (typically 5-25% of blend)
Common High-Performance Blends:
- Polyester-Spandex: Most popular blend combining durability with stretch
- Nylon-Spandex: Premium blend offering softness and flexibility
- Microfiber: Blend of polyester and nylon offering moisture control
Emerging Sustainable Options:
- Recycled polyester and nylon
- Organic cotton blends
- Bamboo and eucalyptus fibers
- Merino wool blends
Key Material Properties Required12:
- Moisture-wicking capability
- Four-way stretch
- Shape retention
- Quick-drying
- Breathability
- Opacity/non-see-through
Recent testing has found concerning levels of PFAS “forever chemicals” in some activewear3, leading more brands to shift toward sustainable and non-toxic material alternatives.