100% polyester woven with water resistant coating. Poly stretch panel at elbow and arm gusset for extra mobility. YKK zipper at main center with reflective piping detail. Contrast inside collar and front zipper guard. StretchFlex™ technology provides garments with comfort, freedom of movement, lasting recovery and great fit. Water resistant treatment helps shed water on outer surface of garment to repel wind and light rain to keep you dry and comfortable.