Nike Womens Dri-FIT Thermal Tight Large Black/Reflective Silver Dri-FIT fabric to wick sweat away and help keep you dry and comfortable Wide, flat, stretch waist with interior drawcord for a snug fit that stays put Ergonomic, flat-seam construction for comfort Fabric: Body: Dri-FIT 88% polyester/12% spandex. Mesh: Dri-FIT 80% polyester/20% spandex. Gusset lining: Dri-FIT 100% polyester