Impacto hinged action hard shell kneepads. Ribbed flat kneeling surface. Premium molded foam is toxin free. Breathable Coolmax® inner lining. Dual elastic straps with hook and loop closure. Replacement straps available, #825-STRAPS. The hinged-action shell bends with your knee. Long term protection from cumulative trauma injuries. Provides stability when working on your knees. Made with 100% PVC materials. One Size Fits All