ULTRAFLEX® NON-SKID KNEEPADS - GreyCLC's industry-leading Ultraflex® kneepad design has a soft outer shell with an accordian-style upper cap, high density, closed-cell foam padding, and synthetic rubber straps, which all combine for enhanced comfort.Features:Ultraflex® upper cap design for comfort and protectionSoft, flexible outer shell protects and grips most surfaces without scratching or scuffingHigh density, closed-cell foam for all-day comfortSlot-n-Dot™ strap connectionsMemory-Flex™ synthetic rubber strapsOne size fits allColor: GreyWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.