- Nylon - Zipper closure - Durable - Padded panel with PE layer for added back support - Injection molded shoulder straps with PE foam for added comfort - Exterior pocket on front with zipper - Two external mesh water bottle pockets on the side - Front storage compartment - Padded, fleece-lined pocket for 15" laptop - Webbed waist straps - Top handle - Side compression straps - Bike light holder - Straps that allow you to attach items to the backpack - Certified by the American Chiropractic Association Technical specifications. - Average weight 1160 g - Capacity 30 liters - Dimensions 51 cm x 33 cm x 20 cm - Laptop pocket 30 cm x 29 cm Colour: black