Veredus - Olympus Vento Fetlock Boot COLOR EDITION Large Black/Bordeaux Has wear on bottom of boots as shown in pictures Veredus Olympus Vento Fetlock Boot Show jumping rear fetlock boot with double ventilation compliant with FEI rules The heat that is released from the horse's leg passes through the microperforated neoprene layer and is distributed in the 3D mesh ducted fabric. Fresh air enters through the air inlets and directs the heat upwards to the outlet grid. The ventilation is therefore both horizontal and vertical. The protection of the rear fetlock is guaranteed by a shock absorber film in EVA.