Hard Shell Knee Pad, Made With Tough Nylon Fabric, Fully Stitched On Cap Keeps Out Rock & Debris, Contoured Cap Allows For Easy Swivel Or Rocking Movement, Rugged Tuffwear Construction Stands Up To The Job Demands, Contoured Foam With Tricot Lining For Added Comfort & All Day Use, Hook & Button Leg Straps For Quick Adjustment & Use.