Turn any pack into an all-season hydration system with the CamelBak StoAway Insulated Reservoir System. Featuring 10mm closed-cell foam reservoir insulation, and an insulated tube and bite valve cover, this reservoir keeps water cool in the summer, and slows freezing in winter months. A large adjustable carry loop enhances portability and multiple attachment points make this reservoir a perfect fit for most any pack. Imported. Closed-cell foam reservoir insulation Insulated tube and bite valve cover New design - up to 20% more water per sip Self-sealing Big Bite valve Easy-to-open, leakproof cap for easy refills