Knee supports! I've been using these in rotation for about six months. The ASICS and no-brand ones have padding, while the Mizuno ones don't. There's some pilling and loose threads, but they're still usable ^_^ How about these for kids who play volleyball or dodgeball? - Brand: ASICS - Color: Black - Type: Volleyball knee supports - Size: Junior F Set of 2 Thank you for looking. From ASICS: Set of 2 high-performance knee supports for juniors. The pad shape wraps around the knee joint, pursuing a fit that feels like it becomes one with the knee. The skin-facing side uses an antibacterial and odor-resistant material. ■Size: F (ASICS original size) Pad thickness/approx. 10mm, Acceptable range: Knee circumference/approx. 28~35cm Length/17.5cm ■Material: Body/Rayon, polyester, synthetic rubber Pad/EVA