This fully featured pack offers ultra durability and load support for the most challenging backcountry locales in the world. With all-angle access, loads of organization and increased capacity, the Gregory Whitney pack is built for those who wander.

• Response Custom Fit Suspension™ system pivots to adjust hipbelt to your hip angle; system also pivots to mirror your body as it moves
• Quick-Adjust hipbelt adjusts to five different hipbelt angles with a simple pull of a quick release tab
• HDPE framesheet with twin 7075-T6 aluminum stays and an anti-barreling cross-stay prevents barreling under heavy loads
• 3-D precurved hipbelt and harness use dual-density foams laminated to the surface fabric, resulting in cushioning without pinching or binding
• Ventilated dual-density molded foam backpanel moves moisture off the back
• Design offers four ways to get at your gear in the main compartment via top-loading, front panel, side and bottom accesses
• Side compression straps secure both large and small loads for optimal stability
• Hydration-compatible design features a reservoir sleeve and drink-tube exit port for on-the-go hydration (reservoir sold separately)
• Features dual hipbelt pockets, side stretch pocket, hide-away water bottle pocket and stash pocket
• Large front zip pocket keeps bulky gear easily accessible
• Removable top lid pocket converts to a lumbar pack and lets you keep compass, maps, small essentials and raingear close at hand
• Rubberlike thermoplastic elastomer covers the bottom of the pack, providing long-lasting wear and waterproof protection from the elements
• Features 210-denier ripstop nylon and nylon twill for strength, durability and lightness

Spec chart based on size Medium. Specifications for Small and Large torso / waist and hips / base volume / average weight are as follows:

• Small: 16 - 18 in. / 22 - 28 in. / 5,309 cu. in. (87 liters) / 6 lbs. 7 oz. (2.9 kg)
• Large: 20 - 22 in. / 34 - 40 in. / 6,285 cu. in. (103 liters) / 6 lbs. 11 oz. (3 kg)