Gore Bike Wear Oxygen Windstopper II Toe Protector SHELL:100% Polyester/ WINDSTOPPERMEMBRANE/ 100% Polyester/ INSERT:87% Nylon/ 13% Elastane/ Imported WINDSTOPPER Soft Shell WINDSTOPPER Soft Shell SHELL: 100% Polyester; BACKING: 85% Polyester, 15% Lycra with a WINDSTOPPER Membrane 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. Drycleaning not recommended.