New Tattini boots, made of high quality natural calf leather with a elasticized back for a perfect fit. They have a rubber sole with a leather inner sole that makes them exceptionally comfortable, light and flexible for an all-day wear. The heel has an extremely efficient shock-absorbing system that reduces the impact on the heel and overexertion of the foot. They’re the first riding boots on the market with an exclusive Air Boost ventilation system. Please refer to size chart. HH (extra height )