Gore Bike Wear Men's Power 3/4 Tights+ 85% Nylon/ 15% Elastane Imported Thermo-stretch functional fabric Thermo-stretch functional fabric 44% Nylon, 37% Polyester, 19% Elastane Machine wash warm. Permanent press cycle. Do not bleach. Tumble dry at low heat at permanent press settings. Dry or steam iron low. Wash with similar colors. Wash inside out. Drycleaning not recommended.