Lightweight design features durable, hard plastic outer shell. Knee pads are hinged with a metal rivet for ease of movement while kneeling or walking and are designed with a non-marking grip-strip for use on any surface. Soft elastic woven straps with reinforced sewn ends are attached well above and below the knee and will not bind behind knee. Inner foam pad constructed of 5/8” closed cell foam offers maximum comfort, while speed-clips allow for quick attachment and adjustment. Straps, grip strips and speed strips are replaceable. Packaged in a mesh drawstring bag.