Max storage meet 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. Key Features: Air Support™ pro back panel with body mapping technology ,Breathable 3D vent mesh harness ,Hip belt with cargo ,Helmet carry ,Bike tool organizer roll included ,. Pro 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. Specification: Total Capacity: 20L, Cargo Only: 17L, Reservoir Only: 3L, Pack Weight: 1015g.