Gore Men's Universal Gore-Tex City Overshoes, Black, 6.0-8.0 SHELL:100% Nylon/ GORE-TEXMEMBRANE/ 100% Polyester/ Imported GORE-TEX Performance Shell GORE-TEX Performance Shell SHELL: 100% Nylon; BACKING: 100% Nylon with a GORE-TEX Membrane; SOLE: 76% Nylon, 13% Kevlar, 11% other fibres Machine wash warm. Tumble dry at low heat at permanent press cycle. Do not bleach. Dry or steam iron low. Wash with similar colors. Drycleaning not recommened. Wash inside out.