Easily adjustable for different shapes and sizes, made with a breathable backpanel, recycled materials, and a ComfortWrap 3D waistbelt for dayhikes and short overnight trips. - VersaFit adjustable torso length with perforated 3D foam breathable backpanelPadded wraparound hipbelt with large zippered pocketsPerforated, breathable shoulder harness with sternum strap featuring an integrated safety whistleWishbone alloy frame for stable load management and torsional flexibilityZippered bottom sleeping bag compartmentZippered top pocket with underside zippered pocket and key clipDual-side durable mesh pockets with top and bottom compression strapsFront oversized stretch mesh pocket with durable fabric panelQuick-pull drawcord closure and top webbing compression