Ortlieb Atrack 2L Hydration System

You can supplement your Atrack backpack with a professional hydration system consisting of a specially designed, 2 litre hydration bladder, a removable tube, a bite valve with protective cap and a thermal sleeve that keeps your water cool for hours. The drinking tube is inserted through the perfectly watertight sealing ring on your backpack. FURTHER FEATURES: BPA-free easy to clean tasteless made to last