The Hydro Trail Pack 17 pairs built-in hydration with compact, convenient cargo space. Its 3 liter reservoir lets you carry enough water for serious adventures, while the large main compartment, front organizer, and side stretch pockets provide room for gear. A mesh suspension carrying system complete with hip belt, sternum strap, and side compression keeps this pack secure and balanced. Features: - 3L ALPS hydration reservoir - Suspended mesh back panel - Front organizer pocket - Trekking pole loops - Side compression - Stretch side pockets - Reflective details - Includes rain cover - Weight: 2 lbs. 5 oz. - Capacity: 1038 in3 / 17L