Malle London has come up with a great storage option for your motorcycle with the Moto Pannier X. Constructed out of 12oz and 18oz British waxed canvas, the bag is both rugged and weather resistant and features a roll-top closure for expandable storage. The bag has pockets for all your items and it works great off the bike when thrown over your shoulder as a messenger bag. It also features a quick attachment system that can be secured and removed from any bike in just a few seconds. 

£269.00 – £679.00 (approx. $367-$928), mallelondon.com