Sizes are Small, Medium, Large, and X-Large This product is made to Japanese specifications. Designing, measuring and patterns are done in Japan and made according to the JASPO Standards Association of Japan Sporting Goods Industry Association (JASPO Standards). Size S: Waist 25.2 - 26.8 inches (64 - 68 cm), Inseam 26.4 inches (67 cm), Size M: Waist 26.8 - 28.3 inches (68 cm), Inseam 27.6 - 29.9 inches (68 cm), Size L: Waist 29.9 - 31.5 inches (70 cm).