Turn any pack into an all season 100 oz. hydration system with the CamelBak StoAway 100 oz. Insulated Winter Reservoir. The fully insulated reservoir chamber doubles the insulation of a summer pack. Quick Link System, 14 turn easy openclose cap. Lightweight fillport. Dryer arms. Center baffling. Low profile design. 100 oz Antidote Hydration Reservoir with an easy clean and fill wide mouth opening. Quick zip reservoir loading. 4 mm insulated tube with Quick Link, CamelBak Big Bite Valve, and insulated tube cover. Convenient D rings let you strap the StoAway wherever you want it. Material: 600 D poly with DWR 1000 mm PU coating. Size 17 x 9 x 3. Wt. 15 oz. Dimensions: 17 x 9 x 3 in. 45 x 23 x 7.5 cm.