UA Storm technology repels water without sacrificing breathability. Wind-resistant bonded construction for lightweight protection. Translucent bonded mesh membrane upper panel is light, stretchy, breathable & water resistant. Cotton-faced lower panel is soft, stretchy, breathable & water resistant. Built-in bill hood construction for added rain & sun protection. Secure zip chest pockets. Cuffs have a bonded face for a clean finish, with an athletic elastic at the inner wrist that is soft & allows for great stretch. Back venting.