Stabilizing knee pads, comfortable design with gel and gelfit foam. ergonomic shape that wraps the knee and upper shin. perimeter stabilization: provides constant support, creates a stable and comfortable feeling and prevents falling. decreases pressure on the ankles. maximizes pressure distribution to maintain all-day comfort. the height of the side panels greatly reduces knee twisting. eva rubber elastic straps that stay in place and provide comfort without cutting off circulation. 1680 denier abrasion-resistant fabric. snapshell covers can be easily detached and are interchangeable, making this the perfect knee pad for all jobs. 2 in 1: use the knee pads with or without snapshell covers