Size Ball Girth Foot Length EUR36 21.05 cm 21.6 cm EUR37 21.5 cm 22.3 cm EUR38 21.95 cm 23 cm EUR39 22.4 cm 23.7 cm EUR40 22.85 cm 24.4 cm Size Ball Girth Foot Length EUR36 8.3 inch 8.5 inch EUR37 8.5 inch 8.8 inch EUR38 8.6 inch 9.1 inch EUR39 8.8 inch 9.3 inch EUR40 9 inch 9.6 inch Color : Khaki Style : Sporty Pattern Type : Striped Toe : Round Toe Size Fit : One Size Smaller Type : Aqua Socks Upper Material : Fabric Lining Material : Fabric Insole Material : EVA Outsole Material : TPR