The Piranha Hydration Pack from Red Rock Outdoor Gear features an external utility pouch and a zippered pocket located behind the upper flap with a quick-release buckle and functions as a cover for the hydration bladder cap. The bottom pouch, faced in MOLLE webbing, serves as a medium utility pocket and an attachment point for MOLLE compatible gear. The included 2.5 liter hydration bladder features a triple-safe bite guard. The sternum and padded shoulder straps have quick-release buckles for easy removal.