Gore Bike Wear Signaure II GT Gore-Tex Cap 94% Nylon/ 6% Elastane/ GORE-TEXMEMBRANE/ Imported GORE-TEX Paclite Shell GORE-TEX Paclite Shell SHELL: 100% Nylon; BACKING: 100% Nylon with a GORE-TEX Membrane Machine wash cold. Permanent press cycle. Do not bleach. Do not tumble dry. Do not iron. Wash with similar colors. Do not dryclean.