VERY COOL DRY AIR-RELEASE POLYGIENE *It complies with the standards of the Japanese Soft Tennis Federation, but it may not be authorized for use in certain competitions.Please check for each prefecture federation and competition association. [US 1 (Fit style)] Size (Length/Chest/Hem) SS: 24.8 inches (63 cm), 92.6 inches (88 cm), S: 25.6 inches (65 cm), 37.8 inches (96 cm), M: 26.4 inches (67 cm), 39.0 inches (104 cm), XO: 2 inches (73.9 inches (73 inches (1108 cm), 42 inches (73 cm).