This is a new Ice Horse Big Black Boot (single)  in a Large (size 4-5 shoe (up to 6.75" sole width, up to 7.5" sole length).  3 ice capsules are included.  

• Scientifically proven to reduce hoof wall temperature and reach minimums below the therapeutic target of 10°C. 
• Dry cryotherapy means no hoof complications or mess due to water. 
• Conforming upper wrap is made of compression-tight, heat-dispersing quadraspan™, not heat-holding neoprene. 
• Non-slip sole                                                                          
• Designed for use with your choice of pad or wedge or nothing at all.                                                                       
• Cold Capsule packs can be refreshed without removing boot from horse's hoof for continuous cooling.