Grooved EVA pattern for added flexibility in key areas. UPPER: Bootie construction for secure and comfortable fit. Developed in collaboration with Fabio Wibmer, the Crankbrothers Stamp Street is a flat pedal shoe designed for both on and off the bike use. This shoe has been created, developed, and tested over the past 3 years with the Austrian trials and MTB rider, Fabio Wibmer OUTSOLE: MC2 high-friction compound for grip and durability. Developed in collaboration with Fabio Wibmer the crankbrothers Stamp Street offers a flat pedal shoe with on and off the bike in mind. Stamp 1 Gen 1 - Small | Crankbrothers EU Crankbrothers Zapatillas MTB Stamp, Negro | Bikeinn Tighter lug spacing for easy foot adjustments. Cushioned EVA midsole for shock absorption. Reinforced inner panel for protection from crank arms., Elastic lace lock. Flat Pedal Mountain Bike Shoes Crankbrothers Unisex Stamp Street Sneaker - Trainers & Athletic Shoes MTB Street Shoes Unisex Tongue and heel pull tabs for easy entry.