CamelBak: MAX STORAGE MEETS MAX PERFORMANCE Engineered with the all-new Air Support™ Pro Back Panel and a 3D Vent Mesh Harness, the next generation H.A.W.G. keeps you on track for long days and epic rides.FEATURESAIR SUPPORT™ PRO BACK PANEL WITH BODY MAPPING TECHNOLOGYBREATHABLE 3D VENT MESH HARNESSHIP BELT WITH CARGOHELMET CARRYBIKE TOOL ORGANISER ROLL INCLUDEDPRO FeaturesWe sweat over the details so you can spend more time logging those miles. The new Air Support™ Pro Back Panel and 3D Vent Mesh make all-day missions a breeze. We also added a specific pocket for an e-bike battery, refined external organisation, and each Pro pack is compatible with our Impact Protector™. Carry what you need, anytime you need it. SpecificationsTotal Capacity: 20lCargo Only: 17lPack Weight: 1015g