UA Storm technology repels water without sacrificing breathability. Wind-resistant bonded construction for protection that's still ultra-lightweight. Translucent bonded mesh membrane upper panel is light, stretchy, breathable & water resistant. Cotton-faced lower panel is soft, stretchy, breathable & water resistant. Encased elastic waistband with external drawcord. Secure zip hand pockets. Cuffs have a bonded face for a clean finish, with an athletic elastic at the back ankle that is soft