Alpine Climbing, Expedition Mountaineering. This pack offers big volume, intelligent features and clean styling. Water restistant zippered front pocket, Removable HDPE framesheet with alumninum tubing framesheet, Crampon compression pocket, Dual ski loops, Removable hipbelt. Variant 52 also features: Adjustable Tool Bungee Y-Clip, Crampon Compression Pocket, Glove Friendly Buckles, Hipbelt Removal, Hipbelt Stow, Ice Tool Attachment, Spindrift Collar - 1, Spindrift Collar - 2, Three-Point Haul System, Underlid Pocket, and Wand Pocket. Size: 3000 cubic inches, 49 liters, 3 lbs 9 oz., 1.62 kilograms.