Black Diamond Creek 50 Backpack - Black Medium/Large Durable, waterproof haul-bag fabric Padded shoulder straps and dual-density hip belt, thermoformed backpanel Top-loading design with drawcord skirt closure Creek 50 and 35 have full-length side zipper for easy access to pack contents Tuck-away rope strap and stowable rain hood that doubles as a helmet/rope holder