Often copied. Never duplicated. Stealth S1 rubber and a Dotty tread keep your feet firmly planted on the pedals. VERSATILE MOUNTAIN BIKE SHOES MADE IN PART WITH RECYCLED MATERIALS. XXS - 6 | XS - 8 | S - 10 | M - 12 | L - 14 | XL - 16 | 2XL - 18 | 3XL - 20 | 4XL - 22.