Ski Mountaineering, Ice and Rock Climbing. The Variant 37 offers superb carry and a versatile volume for a variety of vertical endeavors. Removable HDPE framesheet with 6061 Aluminum Stay, Water restistant zippered front pocket, Crampon compression pocket, Dual ski loops, Removable hipbelt. Variant 37 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: 2250 cubic inches, 37 liters, 3 lbs. 8 oz., 1.50 kilograms.