(625 ILCS 5/1-131.5)
    Sec. 1-131.5. In-line speed skates. A manufactured or assembled device consisting of an upper portion that is intended to be secured to a human foot, with a frame or chassis attached along the length of the bottom of the upper portion, with the frame or chassis holding 2 or more wheels that are longitudinally aligned and used to skate or glide by means of human foot and leg power while having the device attached to each foot or leg. The upper portion may not extend more than 2 inches above the wearer's ankle joint.
(Source: P.A. 97-1023, eff. 1-1-13.)