The Ultra Kompressor by Marmot delivers with a bag that is multi-functional, durable and lightweight. Airmesh shoulder straps and compression straps make this bag easy to carry, very accessible and snug to the fit. Ice Axe Loops - For Carrying Ice Tools the Traditional Way. Hydration Sleeve. Lid Pocket - Pocket on the lid. 3 Mesh Stash Pockets. Specifications &amp#8226 Sizes - ONE &amp#8226 Volume - 1250 in&amp#179 / 20 Liters. &amp#8226 Main Material - 210d Nylon Double Ripstop. &amp#8226 Main Material - 70d 100 percent Nylon Double Ripstop. &amp#8226 Main Material - Stretch Mesh 100 percent Polyester. Measurements: Bottom Width: 8 1 2 in Depth: 5 1 2 in Strap Drop: 15 1 2 in