Prestige Eventing Brown Double flap 17 inch 33 width For the rider: lovely narrow twist and semi flat seat. Knee blocks that are large and Velcro so can be moved for optimum placement. Very close contact. Naturally forward cut for jumping or xc or if you like riding short. Thick knee rolls for security. For the horse: flat tree for horses with small or medium withers. Anatomically shaped panels to allow movement at trapezium muscle. Tree is adjustable 2 sizes up or down.