Design and Details: Dual spindrift closure allows the pack to expand or collapse, depending on the load Internal hanging pocket keeps essentials organized and easily accessible Adjustable ice-axe carry can handle most axe shapes Adjustable, removable sternum strap Modular, removable compression straps provide maximum gear-carrying versatility Removable framesheet and hip-belt pads make the pack even lighter for the final summit bid Three-point, over-the-top rope-carrying system can be removed to further streamline the load; pack volume is 35 liters Specs: Gear capacity: 35L (2,319 cu in) Dimensions: 25.5" x 12" x 5.5" Weight: 1 lbs 15.4 oz (890 g) Body: 5.8-oz 420-denier 100% recycled nylon ripstop Collar: 2.2-oz 70-denier 100% nylon ripstop with a silicone coating Lining: 3-oz 200-denier 100% recycled polyester