NIKE Power Speed Black Orange Men's Running Tights Fabric: Body: Dri-FIT 74% polyester/26% spandex. Pocket: 100% polyester. Gusset lining: Dri-FIT 100% recycled polyester. SUPPORT IN MOTION Compression fit provides a high level of support across key muscles, for exceptional mobility. CLOSE-FITTING COMFORT High-stretch Dri-FIT fabric helps you stay dry, comfortable and on the move. SECURE STORAGE The zip pocket on the center-back has a vapor barrier to help protect stored items. Reflective details enhance visibility in low light Machine wash