100% polyester Our most versatile technical top is built for use on the trail or on the water: It’s quick drying, has stretch for mobility and comfort, plus HeiQ® Pure odor control. Made with 50-100% recycled polyester, Capilene® Cool Daily styles keep you comfortable when you’re working hard in conditions ranging from cool to hot. Fair Trade Certified™ sewn. Also a great work out shirt! Make me an offer.