Volleyball knee support designed for ease of movement and to stay in place. Size M. I bought these for dance, but they are quite thick, so I couldn't wear them under my costume. I've only used them a few times, so they are in good condition. Made in Taiwan Material: Body: Rayon 36%, Polyester 32%, Synthetic Rubber 32% / Pad: EVA ■ Certified by the Japan Volleyball Association Asics original size ■ Reference dimensions: Pad thickness 12mm, Suitable for knee circumference M (32~38cm) Certified by the Japan Volleyball Association. Built-in EVA pads that consider impact absorption reduce the stress on the knees during receives. It reduces the stress on the knees during receives. Designed for a comfortable fit. This is a model certified by the Japan Volleyball Association.