Mountain Hardwear Ozonic 65 OutDry Backpack Nylon Guaranteed watertight OutDry construction main compartment and seam taped top pocket, rain room tested for 12+ hours HardWave suspension conforms comfortably to the curve of your back and distributes weight evenly while venting channels prevent overheating Customizable suspension provides 3" / 8.5 cm of torso adjustment and interchangeable shoulder straps and hip belt Seam taped, reversible top pocket offers the choice of easy access (standard) or maximum weather protection (reversed) Floating, removable, zippered top pocket with internal security pocket and key clip