Tradesman Pro™ Knee PadsBased on feedback and field research with trades people, Klein designed these Knee Pads to work as hard as you do. They’re built tough, yet comfortable, and feature five layers of protection with a stabilizing, non-slip flat outer surface, and a single strap that won’t bunch behind your knee. Features:Five layers of impact resistant material for protection and comfortFor comfort: an inner fabric layer of neoprene, an over-sized impact-absorbing gel layer, a molded polyurethane foam layerFor protection: a super-tough 600d outer fabric layer, a protective outer shell with stabilizing non-slip surfaceSingle strap doesn't bunch behind your legQuick-fasten buckleMaterial: Neoprene/PolyurethaneSlip resistant surfaceWARNING: 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.