The Bucket Boss Geldome Flex Washable Knee Pads offer a professional level quality, featuring a gel padded body that is molded around the knee for the most advanced protection. Durable neoprene lining gives extra flexibility and support. These soft cap knee pads are ideal for non-marring applications with extra surface grip (concrete or roofing) and are designed with a 2 strap system for additional comfort. The rubber straps are adjustable and can be replaced. The PVC rubber cap makes these knee pads water-resistant and have a flexible accordion shape to promote flexibility.