Designed for people who want to move quickly at high elevations. Complete freedom of movement and access to gear without taking the pack off. Fully featured to perform in a variety of activities. Includes protective extreme gear box for crampons or other gear, a removable ski-carrying system, 2 Ice Axe loops and front flask storage. Item Weight: 19.75 oz. Dimensions: 16" x 8" x 4". Type: Ultra-Lightweight Backpacking, Fastpacking, Adventure Racing or Endurance Racing. Material: 3D Air Mesh. 4-Way Stretch Mesh. 100D Triple Ripstop, Waterproof 1000mm. 210D Dynema Ripstop.