Includes 3D Hydro quick-drying, soft-molded reservoir (2 Liter) with integrated handle and drying hanger Dedicated 3/4 zippered hydration sleeve with SpeedClip hydration hanger for a one-handed, snap-and-go connection Inline hose quick-disconnect coupling for easy refills without having to un-thread the hose from the shoulder harness Perforated shoulder harness with magnetic sternum buckle and hose clip for the Drylock bite valve 3D foam backpanel with supportive multi-density foam Equipped with a 3D Hydro reservoir with a dedicated compartment and magnetic hose routing, the Swift 16 H2O simplifies hydration on the trail. The breathable 3D foam backpanel and quick-access pocketing means you'll stay cool and organized for any adventure.