The Black Diamond Revelation backpack is a versatile system for the discriminate backcountry skier, alpine climber or fastpacker. There are many visible features on the Revelation pack but the real story is in the invisible, the suspension system is lighter and stronger with the Y-Rod aluminum stay has vertical sections to disperse the load and a crossbar to create torsional strength and stability. With it modified panel load design you can get all your gear in but easily access it at anytime. Seperate pockets for your shovel and probe make it easy to access at the most important time, hopefully you won't have to but if you do time is important. The hydration compatible system will keep you going long and hard. Other Features: Material: 420d silNylon Suspension: Padded Backpanel: Padded Volume: 2746 Cubes Hydration Compatible: Yes Pockets: 1 Top Gear Loops: Yes Ski Carry: Yes Snowboard Carry: No Weight: 3lb 7oz Warranty: Lifetime Use: Backcountry sking/boarding, hut and alpin