WD Platinum Biomorphic 4W Stretch 100% polyester Characteristics: Laminated fullywaterproof fabric designed to be extremely protective and to conform around the human body in active situations. The yarns give the fabrics extreme reliability and stretch at the same time, while the ultralight membrane guarantees full waterproofness with optimum breathability. Wear resistance and waterrepellent treathment enhance performances and make it ideal for any garment which has to protect from heavy rainfalls and general bad weather.