Versatile mid-size backpack for a variety of mountain activities from alpine climbing to ski touring and summertime mountain activities. The main body is made of lightweight and tear-resistant 3-line honeycomb robic nylon that is both lightweight and durable. Equipped with the X-LIGHTER BACK™ back system for breathability, comfort, and light weight, and a removable high waist belt that does not interfere with the climbing harness, so it is comfortable to withstand harsh environments without being wasted. The 1 air chamber structure that fastens with 2 buckles and allows for simple storage of a canopy zip pocket, while the front features an attachment that can be released with one touch, as well as a gear holder, and a side compression strap for attaching skis. You can easily expand the capacity by adjusting the top skirt up and down. Features: X-LIGHTER BACK™ • 2 buckle closure height adjustable rain lid • Expandable main compartment • Compression strap doubles as rope fixation • 2 zipper flap pockets • 3 lifting loops • FPP Ergo™ ice axe holder • Ski holder & side compression strap • Waist belt with removable gear holder • Integrated back shoulder strap