The Wenzel Hydration Backpack is ideal for your hiking expeditions. It is designed with two spacious compartments to hold all your hiking essentials. It also features hiking pole straps, a helmet pouch, and a bike pump pouch for added convenience. The back panel features mesh over molded ventilated foam with integrated air channels to keep the main unit well ventilated and free of mildew. Sleek and lightweight, this antimicrobial backpack has an anti-microbial bladder/tube/bite valve to ensure that the water supplied is absolutely clean and safe. The dual mesh pockets help keep water bottles at your easy reach. This Wenzel backpack has a vertical front zipper that ensures easy access to the contents. The sternum strap prevents the bag from slipping even during an impact.