The 451A knee boots from Racing Tack are very popular and are lined with lycra. They come in 3 different sizes. The lycra lined synthetic knee boots are always completely black. If you want the same boots with neoprene lining, they are in black with white under the reference 451AN
| Size | 1 or 2 or 3 |
| Main color | 01 - black |
| Brand | Racing Tack |