The Hot Shot SE, an update to the beloved 2010 Hot Shot, is endorsed by the American Chiropractic Association and preserves all the pack&';s classic features while bringing new life to the design. With comfortable straps and a padded back panel for support, water-repellent fabric for unpredictable weather and a bike light loop, you&';ll be prepared from city to summit. Features Injection-molded shoulder straps with PE foam for added comfort Comfortable, padded air-mesh back panel with a spine channel and PE sheet for extra back support Webbing hipbelt Pack is certified by the American Chiropractic Association Large main compartment with a padded, fleece-lined 15&';&'; laptop sleeve Front compartment has internal organization with a fleece-lined tablet sleeve and a variety of pockets Two mesh water bottle pockets Top grab handle Side compression straps Bike-light loop Daisy-chain webbing offers lash points Sizes One sizeAvg Weight: 2 lbs 9 oz (1160 g) Dimensions: 13&';&'; x 7.8&';&'; x 20&';&'; (33 cm x 20 cm x 51 cm)Volume: 1831 in^3 (30 liters)Laptop Sleeve: 12&';&'; x 11.5&';&'; (30 cm x 29 cm)400D nylon with non-PFC durable water-repellent (non-PFC DWR) finish