Known for high quality products that are completely made in Japan, master-piece was given an opportunity to design these exclusive messenger bags for Isetan Men's in Tokyo. A durable nylon 1680D is used on the exterior and it has been coated with Toray Dermizax film to improve its water resistance. Further more the laminate is extremely thin, making the bag soft to touch and reducing its overall weight. Polyester mesh lining on the rear of the bag prevents moisture build up and it also helps to disperse heat while the bag is being used. Two colorways are prepared in black and gray, and both of these are only sold at Isetan Men's store and online store.