Tenzing flex lumbar pack mo country 650 cu.In.W/opt pckt FEATURES:-Ergonomic, adjustable padded waist belt-Adjustable shoulder harness-Channeled, air-cooled back pad-Yellow-coded zippers on main compartment-Two upper compression straps-Two lower compression straps-Ultra-soft & quiet tricot fabric Other Features: Specialized optics pocket right side, knife/tool pocket on left hip belt, pull-out mesh pocket for water bottle or game calls, mossy oak country camo, wide interior main compartment, 650 cu.In., 1lb 10oz.