An unexpected collaboration between Mountain Research and Bow Wow. Two new sweatshirts featuring authentic vintage finishes are now available.

Mountain Research, a brand that offers mountain-living apparel infused with a punk attitude, is releasing a rare item featuring a vintage finish.

The manufacturing and production are handled by the master craftsman 〈BOW WOW〉—renowned as the best in the world when it comes to creating this kind of item—in yet another unexpected collaboration.

Based on the classic sweatshirts from , we’ve created two styles that incorporate the essence of . They will be available starting Friday, October 9.

Bow Wow Zip Hoodie Aging “A.M.” (Color: Black / Sizes: S, M, L, XL) ¥57,200

First up is a zip-up sweatshirt boldly featuring the ”AM” logo—an iconic symbol of . It features a heavy-ounce, all-season original sweatshirt fabric—developed by after years of research—that is unbrushed. Details characteristic of , such as the separate front pocket (which was common until the 1960s) and flat seams, are incorporated throughout the design.

Bow Wow Sweatshirt Aging “Kurt” (Color: Black / Sizes: S, M, L, XL) ¥49,500

The second item is a crew-neck sweatshirt featuring the letter ”KURT”—the seasonal keyword for —embossed on the fabric. It’s also made from the brand’s signature heavyweight original sweatshirt fabric, and its key features include gussets on both sides and a kangaroo pocket exclusive to this design.

Both the zip-up hoodie and the crewneck feature authentic vintage finishes—such as natural fading and pinholes—that are a hallmark of *Bow Wow*.

This is the true joy of a collaboration—a chance to fully savor the best of both worlds. It’s a must-try item, even if you’re not a fan of either brand.