Gregory Mountain Products Baltoro 75 Backpack Nylon 3D pre-curved harness and waistbelt components with new LifeSpan EVA foam Auto-cant harness technology and Auto-fit waistbelt system Thermo-molded back panel with elastomeric gription technology on the lumbar pad Quick draw, easy-to-open drawstring system on main access Stash pocket on underside of the top lid