Features: E3 Carbon fibre road cycling shoes is lighter in weight and more comfortable. Anti-collision toe cap, breathable system, carbon fiber sole, and hook-and-loop shoe head. Rotate the buckle to loosen or tighten the lace of the shoe. It has fashionable and simple contour, and bright-colored. How can cycling and outdoor enthusiasts not have a pair of such shoes? Specification: Brand: Bootun Optional Color: Green, Black Optional Size: 39-45 Material: Carbon Fiber Weight: approx. 780g MeasurementChart U.K 6 6.5 7 8 9 10 11 Europe 39 40 41 42 43 44 45 U.S.A 7 7.5 8 9 10 11 12 Innerlength(mm) 255 260 265 270 275 280 285Package List: 1 Pair * Cycling Shoes 1E3 Carbon fibre road cycling shoes is lighter in weight and more comfortable. 2Anti-collision toe cap, breathable system, carbon fiber sole, and hook-and-loop shoe head. 3Rotate the buckle to loosen or tighten the lace of the shoe. 4It has fashionable and simple contour, and bright-colored. 5How can cycling and outdoor enthusiasts not have a pair of such shoes?