- Professional's Choice signature neoprene exterior.
- UltraShock lining
- SMB 3 safeguards the cannon bone, tendons and soft tissue, while absorbing energy from hoof impact.
- The slightly longer suspensory strap stretches with each stride allowing full ankle movement, and helps to eliminate hyperextension of the fetlock.
- Cut back at the lower front to allow for proper fit when used with any Professional's Choice bell boot.
- Lyrca binding stretches to create a more snug fit along the top and bottom of the boot, helping to keep dirt out.