Gregory Mountain Products Denali 75 Liter Expedition Backpack | Mountaineering, Expeditions, Guiding | Removable Components, 70 lb Capacity, Durable Construction | Reliable Gear for Your Expedition 210D Nylon, 420D High Density Nylon TOP LOADING DESIGN & REMOVABLE COMPONENTS: Top-loading design with full-length side slash zip access. Strippable aluminum frame stays, top lid, bivy pad, and hipbelt padding. Removable lid pocket with occipital cutout and security pocket on underside. AMPLE STORAGE TO ORGANIZE YOUR EXPEDITION: Ultra-durable expanding side pockets. Dual-access front panel pocket with zip-away internal divider. Quick-access side zip map / headlamp pocket. EASY ACCESS TO CRITICAL GEAR: Expedition hipbelt with tubular gear loops, ice clipper slots, and sled pull loops. Single zip hipbelt accessory pocket. Dual front-panel daisy chains. Stowable, adjustable traditional and hammer less ice axe attachments. DURABLE CONSTRUCTION & HYDRATION COMPATIBLE: Puncture-resistant dual-layer internally laminated front panel. Internal hydration reservoir sleeve with tube port. IDEAL USES: Mountaineering, Alpine Climbing, Ice Climbing, Ski MountaineeringTouring - WEIGHT: 6.6 lbs. - DIMENSIONS: 36.5" x 13.25" x 11.75"