2.5-layer bonded fabric with a durable, smooth exterior is very light. Windproof construction protects you from the elements. No underarm seams to reduce bulk and abrasion when layering. Secure zip pockets on the hands. Adjustable waist flap, adjustable bottom hem and adjustable shaped cuffs for secure wearing. Smooth bonded front zip, bottom hem and cuffs. It uses a fluorine-free water-repellent treatment.