Knee pad PKT500. Highlights & details. Padded with AIRGEL. Features. Ultra light knee pad. made from reinforced polyester. Anti-skidding. Broad protective shield made from PVC. Adjusts knee in all working positions. Flexible single catch band for highest comfort & freedom of movement without pressure points. It is attached underneath the hollow of the knee. Technical data. Material Polyester/ PVC. Colour Black, Red.