The articulating hinged design ensures proper placement all day long Soft elastic, extra-wide woven straps with reinforced sewn ends are placed well above and below the knee – no Velcro, which contaminates over time Straps stay aligned with your legs in any position – will not bind behind the knee Built with strong, flexible hard plastic outer shells that extend well above, below and to the inside/outside of the knee for added knee and leg protection Metal rivet hinge ensures long lasting protection while kneeling or walking On the outside, pads feature a perfectly placed, curved, non-marking Grip Strip, designed for use in all applications without gumming up Grip Strips are easily replaceable On the inside, pads offer a long lasting 5/8"" closed cell foam pad for maximum comfort and protection Sweat does not penetrate closed cell foam – lasts longer and won’t “stink"" Specially designed Quick-Snap clips ensure quick and easy removal Comes in convenient, reusable mesh bag with one extra Quick-Snap clip Cap Material Plastic Closure Type Snap-On Pad Type Foam Weight Per Pad 9 oz.