The QEPF3 Stabilizer Professional Knee Pads form, fit and flex to keep your knees protected during every job. XL Patella Gel Zone, combined with the 5 Layer Comfort System, conforms to the shape of your knee for a custom fit. The Pillow Comfort Memory Foam and 10 Power-Flex Support Pads deliver added comfort. These knee pads also feature independent stabilizing feet that give you more stability, but with less contact.