Go ahead - tackle that mountain. You've got room for everything you need to do it in the Outdoor Products Arrowhead Internal Frame Pack. Crafted with durable polyester/ripstop fabric and thickly padded shoulder straps, this backpack boasts adjustable waist and sternum straps and a deluxe cool mesh padded back for extra ventilation. Other features include compression straps, a large main compartment, a top flap with a zippered compartment, reflective accents, and multiple pockets. Choose harvest pumpkin or wild dove.