Integrated design works with all Carhartt Men's double-front pants and bibs Constructed with XRD® impact protection technology, engineered to absorb shock, yet designed for a lightweight comfortable fit Retains 95% of thickness, knee pads will maintain their performance from day 1 to day 1,001 Long-lasting durability won't wear out - once these pads are in, keep them in Comfortable, versatile, easy-to-wear protection without the bulk Stays in place, doesn't constrict or sweat like strapped solutions Hex pattern design offers maximum flexibility and range of motion Vendor Style Number: 103193