VersaFit adjustable torso length with perforated 3D foam breathable backpanel Adjustable, padded wraparound hipbelt with large zippered pockets Perforated, breathable shoulder harness with sternum strap featuring an integrated safety whistle Wishbone alloy frame for stable load management and torsional flexibility Zippered bottom sleeping bag compartment with removable divider Floating zippered top pocket with underside zippered pocket and key clip