Platypus Sprint X.T. 25 Hydration Pack Weatherproof construction (Taped seams, waterproof-coated fabrics and water resistant zippers) Weatherproof construction (Taped seams, waterproof-coated fabrics and water resistant zippers) Weatherproof construction (Taped seams, waterproof-coated fabrics and water resistant zippers) Independent hydration pocket Multiple hose routing options