Whether your adventure takes you on a mountain trail or accross town, takethe Marmot Brighton Daypack with you. Your laptop stays safe in the padded sleeve, while the padded shoulder straps keep you comfortable, along the way. Large main compartment. Padded laptop sleeve fits most 15 laptop computers. Internal pocket fits most tablets and e readers. Internal organizer with key clip. Two outside zip pockets for your on the go essentials. Two external water bottle pockets. Padded shoulder harness with sternum strap. Durable YKK zippers. Materials: 420d 100% polyester big ripstop with 600d 100% polyester reinforcement. Wt. 1 lb. 10 oz. 750 g. Volume: 1830 cu. in. 30 liters.