The ToughBuilt Waterproof Knee Pads are the versatile solution for wet and dirty jobs, from concrete to gardening. The pad's pliable outer shell protects the knee on rough terrain while preventing scratches on the most delicate surfaces. This safety tool has closed cell, high-density foam that provides for all-day comfort. This knee pad has a flexible accordion construction that keeps out debris and maintains comfort while walking. A single elastic strap wraps around the upper calf avoiding painful bunching behind the knee. This waterproof knee pad can be easily cleaned off with water after every job.