FEATURES:Stores up to 85 oz. to help keep you hydrated Mesh strap straps for enhanced ventilation Lightweight and breathable fabric promotes comfort on the trail Adjustable sternum strap offers a range of adjustments deliver a custom fit Built-in reflective detail produces ...FEATURES:Stores up to 85 oz. to help keep you hydrated Mesh strap straps for enhanced ventilation Lightweight and breathable fabric promotes comfort on the trail Adjustable sternum strap offers a range of adjustments deliver a custom fit Built-in reflective detail produces enhanced visibility in low light environments Helmet carry strap for your convenience Designed for mountain biking Multi-pocket design grants maximum storage for essentials and gear TECHNOLOGY:Crux ; Reservoir with Magnetic Tube Trap ; offers 20% more water with every sip, easy on/off lever, Big Bite ; Valve, HydroGuard ; technology, ergonomic handle, and leak-proof cap | CamelBak Velocity Hydration Pack Black/Silver (85 oz) | Dick's Sporting Goods