Gore Bike Wear Men's Power III Bibtights Short, Black, Medium 90% Nylon/ 10% Elastane/ INSERTS: 44% Nylon/ 37% Polyester/ 19% ELAST ANE/ MESH:80% Nylon/ 20% Elastane Imported Special fit for cyclist posture Special fit for cyclist posture 90% Nylon, 10% Elastane; INSERT: 44% Nylon, 37% Polyester, 19% Elastane; MESH: 80% Nylon, 20% Elastane Machine wash warm. Permanent press cycle. Do not bleach. Do not tumble dry. Do not iron. Wash with similar colors. Wash inside out. Drycleaning not recommended.