100% waterproof/breathable nylon construction Super-efficient 3M™ Thinsulate™ insulation Wicking panels at back and armpits plus pit zips for venting Double-layer front storm flap locks out water, wind, snow Double-layer shoulders for extra abrasion resistance Articulated elbows and zippered armpit vents for freedom of movement 8 pockets, including zippered hand-warmer pockets Stretch storm cuffs seal out updrafts Adjustable 3-piece hood Pristine condition--worn once. No damage or blemishes.