4 x 4 stretch polyester, soft and silent. Our most waterproof/breathable program at 10K/10K. Bonded appearance with clean taped seams. Waterproof center front two way zipper, yep zips up from the bottom. Over sized front RAPID entry zip pockets which have light hook and loop closure so you can keep your pockets open but your goods are still secure. Great travel jacket for when your taking lots of pictures and need to access your phone/camera quickly.