• Extra thick double gel design, improved materials, and reinforced stitching for superior comfort and long-lasting protection. • Made with breathable neoprene, ballistic nylon, and high-resistance technical PVC. • Anti-slip Thundershield shell protects knees and trousers from nails, screws, glass, and debris. • Soft gel core and thick foam effectively cushion on concrete, tile, and wood. • Fully adjustable Pro straps with hook-and-loop closure for a firm and comfortable fit all day long. • Includes 18 cm extension straps to ensure an optimal fit for any user. • Ideal for professionals in construction, tiling, flooring, gardening, mechanics, and cleaning.