The Jam2 is what every fast-packer dreams about. Made with super durable Dyneema® gridstop, it features foam padding in the back and hip belt wings for support, and Brock™ foam padding in the spacer mesh shoulder straps for long-lasting comfort. Store items you want quick access to in the large front pocket with a watertight zip and two side angled stretch mesh pockets. Reduce excess pack room as your trip goes on by utilizing the two side compression straps and the comPACKtor system. Pack Specs Volume: 2800 in3 | 43 liters Hydration: 3 Liter Hydration Compatible, Reservoir not included Fabric: Dyneema Stronger than steel and lighter than any other high-performance fiber Extremely durable and light polyethylene fibers – they float on water Chemical, water, and UV resistant Used to reinforce 210 Denier (medium-weight) ripstop nylon 10-times stronger than steel and 2-times stronger than Kevlar by weight The resulting pack fabric is extremely light and durable, and is somewhat water resistant – designed for the rigors of backpacking and mountaineering Features Imported Dyneema® gridstop Watertight zipper for roomy front pocket Comfortable foam back pad Space mesh shoulder straps with Brock foam padding Adjustable sternum strap and webbing for hip belt Two side hydration openings with internal hydration sleeve Cord lock to secure top closure Two angled side mesh pockets with elastic top binding for easy access while wearing Ice axe loops with lightweight elastic cord and pack hook system for closure Two side compression straps with quick release buckles Top compression ComPACKtor system Haul Loop Uses Summit bids Fast-packing Rock and ice climbing All-season backpacking Lite and Ultra-Lite backpacking Winter day trips