Milwaukee High Mobility Knee Pads are engineered to provide long-lasting comfort without the bulk allowing you to have maximum mobility. This knee pad will provide you with up to 4X cushion life utilizing Rheon technology compared to Milwaukee's Mobility Knee Pad. The lightweight cushion and compact flexible shell give you the benefit of wearing a knee pad, but you will not even feel like you are wearing it. The durable abrasion-resistant cap allows you to work on any surface.