Product description:Excellent year-round training product! Thin, verylight slim fit 3-layer membrane vest. Favorite of theXC elite!• Stretch panels in back for better air circulation.• Elastic drawstring with stopper at bottom hem.• Reflective piping for visibility in the dark.• Wind and water repellent.Fabric composition:Pontetorto No Wind® membrane. 3-layer 71%polyester/29% PU 2-way stretch. M.V.P.10.000g/m2/24hrs. W/P 2.000mmH20.Stretch panels: 100% Carvico Lycra®. Made in Italy.