Your heel should lift up and down with every step, so if you are a half size, you may be more comfortable sizing up (for example, if you are a US 7.5, you may be more comfortable in an EU size 38). Please click here to learn about the benefits of the Dansko® Professional. Dansko's flagship classic for all-day support and unmistakable style has taken on a critical role of providing all-day comfort. Upper made of a lightweight and durable cotton canvas featuring a decorative print for added style. Roomy reinforced toe box provides durable reinforcement and toe protection while allowing toes to move comfortably. Leather sockliner wrapped around synthetic foam absorbs and evaporates perspiration. Protective TPU heel counter allows the heel to move up and down when walking. Also provides lateral stability and acts as a natural shoe horn. PU inner frame provides stability and reduces torque and pronation. PU outsole provides shock absorption and flexibility, withstands surfaces of extreme heat and cold, and protects feet, legs and back during long hours of standing or walking. Proudly carries the Seal of Acceptance from the American Podiatric Medical Association.