Mechanix Wear - Team Issue Knee Pads (One Size, Black) Armortex knee pad resists abrasive surfaces from concrete to gravel. Yellow Kevlar stitching secures each knee pad. Pre-Curved foam design cradles your knees and absorbs impact when coming in contact with the ground. Compression molded foam absorbs impact to the knees. Stretch-Neoprene leg straps with industrial strength hook and loop secure each pad comfortably to your knees