CYZ Men's Ultralight Wind Shell Water Proof Running Jacket - Bike Jacket Breathable, ultralight wind and water-proof fabric. Full-front zipper for customized ventilation Running and biking specific hood for coverage without limiting visibility 100% Nylon. Hand wash, dry flat. Cordlocks at hem for an adjustable fit; Reflective elements for enhanced visibility in low light Foldover elastic at the hood and sleeves for a comfortable fit.