immun is a bag label designed by Kazuki Kuraishi and he also handles creative direction for CASH CA in Japan. So it is no surprise that these two labels have teamed up since the initial entry of CASH CA into the Japanese market. Special care have gone into the design and functionality of these bags, making them on par with the outdoor bags in the market. Two colorways are produced for the Back Packs, Day Packs, and Tote Bags styles. Its exterior is constructed from 8 gauge cotton canvas fabric, set off by oiled leather details through out the bag. All of the products can be found at the Heather Grey Wall store in Tokyo and its online shop.