Breathable Matrix backpanel keeps the Amasa 10 ultra stable and comfortable while climbing and descending, thanks to the fully adjustable Shift RS suspension. The included 3D Hydro Reservoir hauls up to three liters of water to keep you hydrated all day long. 3D Foam Breathable Backpanel Sunglasses quickstow system Highlights 3D Hydro Reservoir Included Soft Molded, 3D Hydro Reservoir Included with integrated drying hangar Speed Clip Hydration Hangar Quick attach hydration hangar system is compatible with Gregory's 3D Hydro reservoir Shift RD Adjustable Stability Belt Shift RS ride stability system with adjustable stability belt and breathable Matrix backpanel Drift & Amasa Men's and Women's Mountain Biking Play video Includes 3D Hydro quick drying, soft molded reservoir (3 Liter) with integrated drying hanger. Dedicated zippered hydration sleeve with routing sleeve and SpeedClip hydration hangar for a one-handed, snap-and-go connection. Shift RS adjustable, breathable ride stability belt for a custom fit and bounce control. Women's specific die-cut shoulder harness with magnetic sternum buckle and hose clip for the Drylock bite valve. Matrix breathable die-cut backpanel. Sunglass QuickStow system on shoulder harness for quick, secure and scratch-free access to your shades. Front zippered pocket with bike specific organization and key clip. Front durable stretch mesh pockets for quick storage and reflective attachment loops to carry a helmet. Front light loop for night riding. Top zippered quick-access pocket. Custom comfort-grip molded zipper pulls and molded webbing keepers for strap management.