AMPHIBIOUS x B印 YOSHIDA x PORTER STREAM collaboration Boston bag. The retail price is 38,500 yen (tax included). This bag is from the brand AMPHIBIOUS, designed by Kosuke Kitajima. The color is navy (combed yarn fabric) x brown (suede). The size is approximately 62cm (top width) x 45cm (bottom width) x 35cm (height) x 20cm (depth), measured by an amateur. It is a used item, so there are some fading and scratches, but it is still usable.