Outer: 600D polyester ripstop, waterproof coatingLining: moisture regulating Cool Plus, nylon (chest and bottom)Filling: 340 g polyfillHardware: chromium-plated zinc Waterproof: 5000 mm; breathable: 4000 g/m 24 hours and windproof Taped seams, anatomic shape Two adjustable front straps with quick release clips and Velcro closures Shoulder gussets and V-shaped tail flap Adjustable cross surcingles and adjustable, detachable, elastic leg straps