MC2 high-friction compound for grip and durability Lug spacing for easy foot adjustments Cushioned EVA midsole for shock absorption Grooved EVA pattern for added flexibility in key areas Sidewall rubber for impact protection Bootie construction for secure and comfortable fit Reinforced inner panel for protection from crank arms Durable and reinforced TPU layer for abrasion resistance Elastic lace lock Perforations and mesh underlay throughout upper for better ventilation Tongue and heel pull tabs for easy entry. SHOE STMP ST-L LE CM 12