Lightweight layering comfort that keeps your environmental footprint to a minimum. Quick drying fabric wicks moisture away from your body. Made from 92% recycled polyester, 8% spandex, and finished with an antimicrobial treatment. Orage's Eco Dry series of base layers offer superior warmth and wicking in a cool looking environmentally friendly package. Side note - the fabric for each ecodry top is made from 24 recycled plastic water bottles.