100% Polyamide Imported Machine Wash Windproof design Lightweight Waterproof front zipper Lightweight and strong 2.5 layer vest constructed from a windproof and water resistant rip-stop fabric. Full back mesh ventilation panel helps keep body temperature low while protecting against wind; works effectively even while wearing backpack Front zip closure with YKK zip backed by windproof flap; All zips tab feature easy-use pullers