Designed by Emil Johansson, Sticky Formula G MTB rubber compound provides 2X pedal and surface grip, Grippy Geo-Hex tread pattern, STI Evolution® Foam midsole, Pro Foam 1 molded PU footbed, Strobel board midsole for stiffness and pedal-feel, Ankle Shield collar built for impact protection and designed to be used with or without ankle braces, Force Shield reinforced upper, Lace Guard asymmetric lacing keeps laces protected from pedals, The Lace Lock on the tongue keeps laces in place, Tongue Gussets shields moisture, dirt and debris