Centaur 3D AirTek Competitor Boot Set Size:Cob The Centaur Professional D series The Centaur Professional D series contains all of the features a professional rider seeks: CLASSIC AND SIMPLE BOOTCUT STYLE Ergonomic design open front and ankle boot provides a free range of motion with 3D mesh vents and AirTek micro vented neoprene allow heat to escape and provide air flow to keep the horses legs cool and comfortable Speed STUD Closure Easy to hook with one handShock ZONE Plate EVA Foam Strike Zone provides show absorptionAirTek Lining Micro vented neoprene allows heat to escape3D Mesh Vent provides maximum air flowEZ Clean Just Rinse and Go will boots not retain water