Constructed from waterproof 14 ounce Desert Wax waxed canvas from Halley Stevensons of Scotland, The Khaki version uses 14 ounce Bee's Wax and top grain veg leather with our hand printed cotton drill Crank lining. A central zip opening like a duffel bag using YKK Aquaguard waterproof zipping. Two cross tension straps using Austrialpin Cobra buckles, the worlds strongest, These straps can be reconfigured to mount different loads or carry like a duffel bag, the bag uses natural cotton webbing. The rear and base panels are padded. Side mounted double Saddle Rings tension locks on 40mm cotton webbing. Internal laptop sleeve for up to 15" laptop and two internal sleeve pockets. Handmade in England. Worksmanship and materials are guaranteed for life.