Features of the Gregory Women's Juno 30L 3D Hydration Pack Unique leaf-spring lower back lumbar design on your lower back, while keeping the ventilated backpanel low profile to maximize interior capacity Provides incredibly cool and comfortable backpanel Performance in all weather conditions With top tier EVA foam and ventilated design for long lasting comfort Ultra-cush shoulder harnesses with top tier EVA foam and ventilated design for long lasting comfort Dedicated hydration pocket with SpeedClip mounting system Sunglass quickstow system on shoulder harness allows a quick, secure and scratch-free way to store your shades on the go Magnetic sternum strap allows for one handed magnetic buckling of strap and integrated magnetic linkage for the DryLock bit valve Soft-touch top accessory pocket keeps valuables close at hand and well protected Front stretch stuff pocket for gear overflow and organization