Two layer Waterproof fabric. Waterproof rating: Up to 22,000mm H20. Reflective heat sealed taped X back with extra back hem tape and biomotion taping on sleeves. TTMC-W17 compliant. Stretch PU for comfort. All seams are heat sealed. Two waist pockets and flap. Contrast sleeve cuff adjusters with internal neoprene storm cuff. Built in concealed hood