Straight backs are happy backs! The Kanken Classic is our most popular model, available in a fantastic range of 29 colours, with even more additions to the range coming in future. Surprisingly spacious, the Classic Kanken is a great size for day-to-day wear, work, school and commuting, while the showerproof Vinylon-F fabric ensures that your stuff stays safe! The Classic Kanken backpack is made out of durable, lightweight Vinylon F. A large main compartment with a large opening makes it easy to add and remove items, and two side pockets plus zip pocket in the front provide extra space to store your stuff. The Kanken Classic also features a handle at the top, narrow, supple shoulder straps, sitting pad in the pocket in the back and logo that doubles as a reflector. - See more at: http://www.ilovemykanken.com/shop/products/kanken-classic-navy-warm-yellow.htm#sthash.4NSUswrT.dpuf