McDavid 6515 Pair of Hex Knee and Elbow Pads 80% nylon/20% spandex (elastane); polyethylene foam MCDAVID 6515 PAIR of Knee and Elbow Hex Pads offers protection right where you need it. 9MM HEX TECHNOLOGY in a low profile, minimized design protects the knee or the elbow. HDC MOISTURE MANAGEMENT technology is all about cool and dry with a comfortable, flexible contoured seam. MACHINE WASHABLE AND DRYABLE Knee and Elbow Hex Pads includes one pair. AVAILABLE IN THE COLOR black and in sizes extra small through double extra large. Product runs big and to size down if measurements are close to the minimum size range.