Bring CamelBaks lightweight Octane 14 Hydration Pack on your full-day hiking adventure. This backpack expands to fit an extra fleece layer and snacks for the long trail, and the 3-liter water reservoir keeps you hydrated. Change out of your sweaty shirt and stash it in the Octane 14 Hydration Packs internal wet/dry pocket. The insulated water reservoir keeps your water cool, and CamelBaks Big Bite Valve makes drinking easy and leak-proof. Stash your energy gel packs in the hip-belt pockets, and lead your adventure race team to victory.