I bought this in America. It's about a Japanese size S. I don't think they're very common in Japan. The shape is cool. Waist: Approximately 31cm (with drawstring) Thigh: Approximately 24cm Rise: Approximately 24cm Inseam: Approximately 99cm Leg opening: Approximately 12cm (with zipper) CLIMACOOL is an Adidas technology that uses "ventilation" to draw air inside the clothing and shoes, releasing heat and stuffiness to maintain comfort. This technology is designed to prevent a decline in performance, especially during sports and activities in hot weather. dance hiphop adidas adidas originals