Mountain Hardwear Unisex Scrambler RT 35 Outdry Backpack Synthetic Guaranteed watertight OutDry construction main compartment, rain room tested, roll-top closure Comfortable, fully padded hip-belt with two large zippered pockets, large front stash pocket with drainage Padded shoulder straps provide excellent fit and comfort, two deep side pockets for water bottles or other gear Side compression straps keep any size load stable, easy access hydration sleeve with drainage under top pocket Adjustable sternum strap adds stability while on the moveCarry loops for ice axes or trekking poles