Size Note NOTE:Please choose the shoes size according to your foot length,NOT insole length. If the your feet is wide or thick, please choose a larger shoes size. Before choose you Eur size , you had better measure your feet length. How to Measure Feet Length Please measure your feet length carefully ,with the method of the picture below: Carbon Board Specialty Equipped with a carbon board, these shoes offer superior support and responsiveness for marathon runners and casual sneaker wearers alike. Nonskid Outsole Featuring a nonskid outsole, these sneakers provide excellent traction, ensuring stability on various surfaces during your workouts. True to Size Fit With a true to size fit, these sneakers promise a comfortable and secure fit, enhancing your athletic performance. Breathable Upper Material Crafted with a breathable upper material, these sneakers ensure your feet stay cool and dry during long runs or marathon training. Lightweight Design The lightweight design of these shoes makes them perfect for athletes seeking comfort and agility in their athletic pursuits.