adidas Shmoofoil Slip-on Shoes. These adidas Shmoofoil Shoes combine two of Mark Gonzales' favorite adidas trainers to create a classic slip-on style built for skateboarding. With Shmoofoil graphics designed by The Gonz, they offer a premium suede upper, grippy Vulcanized outsole and molded sockliner designed for comfort and out-of-the-box performance. Slip-on construction. Textile lining. Molded sockliner. Imported.