Nike Streak Knee Pads Black NVP07001 Nike volleyball knee pads will provide additional protection for your knees against injuries during training and decisive games. Ergonomic, elastic construction will ensure a natural fit to the anatomical shape of your knee. Foam insert in the rear Knees. Dri-FIT technology helps wick excess moisture away. Technical data: a) Material: 41% polyester, 25% nylon, 21% EVA, 13% rubberb) Class: B (> 50 kg)c) Size / Thigh circumference above the knee: XS-S: 36-40 cm M-L: 40-43 cm XL-XXL: 43-46 cm