Offering a stable, bounce-free, highly adjustable vest fit and thoughtful pocketing designed for gravel racing or weight-conscious riders in need of hydration—at speed. An included 1.5-liter reservoir simplifies hydration, and zippered harness pockets keep snacks or phone at your fingertips. Many of the rider-centric comfort, fit and organizational details evolved with input from our Athlete Team. Gravel-Oriented, Vest-Style FitAccessible, comfortable design with large zippered front pockets for snacks and tech, and easy-to-use slots for sliding in glasses. Streamlined Trail EssentialsFeaturing simple hydration, internal organization and pocketing. Reservoir IncludedPacks come with an included 1.5 L hydration reservoir and sternum strap magnetic bite valve attachment. Hydraulics Quick Connect Kit sold separately. bluesign® PRODUCTThis product meets bluesign® PRODUCT requirements, which means materials and components have been selected that adhere to rigorous environmental and social criteria during production. BackpanelSpacer mesh bodywrap for lightweight padding, maximum ventilation and soft, irritation-free contact surface. HarnessAdjustable and removable dual chest straps for additional stability, adjustable side webbing for comfort on long rides and spacer mesh bodywrap for lightweight padding, maximum ventilation and soft, irritation-free contact surface. Features: Hydration sleeve with direct-zip access and hose path for easy loading Included Osprey Hydraulics 1.5 L reservoir Dual adjustable/removable chest straps for customized stability Lightweight magnet on chest strap for easy access to reservoir hose Easy-to-use slots on front harness for securing sunglasses Vertical zippered harness pockets for snacks or phone with foam at base for extra comfort One lower stretch mesh harness pocket Front panel bungee storage Internal zippered mesh pocket with key clip Internal elastic loop for small pump Specifications: Volume: 3.0 Litres (S/M)Dimensions: H 14.6 x W 12.6 x D 4.3 InchesWeight: 0.99 Pounds Volume: 3.0 Litres (L/XL)Dimensions: H 15.0 x W 13.4 x D 5.1 InchesWeight: 1.04 Pounds Fabric: Mainbluesign® APPROVED, 100% recycled 100D nylon w/dobby check ripstop, DWR treatment made without PFAS SKUs10006459 (Black S/M)10006732 (Black L/XL)10006733 (Magma S/M)10006734 (Magma L/XL)