Salming Race R9 Mid 3.0 Mens Court Shoes, US Shoe Size- 10.5 US / 9.5 UK This uniquely comfortable upper construction helps the shoe o feel perfect on your foot from the first instant with virtually zero "break-in" time. Rebound Foam: Forefoot rebound energy foam - RE35 80% better rebound energy than a regular EVA midsole compound RollBar: An increased radius on the inner side of the outer sole, facilitates rolling the foot inwards and toe push off. T.G.S. 62/75 (Torsion Guide System): The distance from heel to the ball of the foot has been designed with extra stability, which ends in the "ballet" line. In front of this line Salming has equipped the shoe with greater flexibility to stimulate the foot's natural movements.