Influenced by sound waves, frequencies, and vibrations, the Old Skool 36 FM presents a new and polarizing expression of the Old Skool 36. Featuring a reinterpreted waffle pattern, lofted engineered knit upper and tongue, and 3D-injected TPU structural sidestripe, it’s a future forward evolution of the original. Engineered Knit Upper and Tongue, Molded Rubber Toe Cap and Heel, Reinterpreted Waffle Pattern, 3D-Injected TPU Structural Sidestripe.