A set comes with both left and right foot shoe inserts * Comfortable, will not make you tired * Will fit on U.S Men"s size 7-10 (recommend with one or two size bigger shoe to optimize performance and comfort) * 3 Layers: Total Height: 2.5 " (Height of Top Insole : 1.5 inch / Height of Each Bottom Insole : 0.5 inch) * Licensed trademarks of WSWS LLC