MaxCold insulation with 25 percent more foam to keep food and drinks cooler longer. Exterior fabric is constructed with Repreve recycled polyester made from plastic bottles and 1680D polyester. Deep gusseted front zipper pocket for additional storage. Top zip pocket helps keep smaller items secure. Exterior side mesh storage pockets. Adjustable, padded air mesh backpack straps with sternum strap for hands-free carrying convenience.