Ariat's new Cobalt XR performance technology features a unique, slatted composite insert that extends stability all the way through the mid range and into the forefoot for increased balance in the stirrup and on the ground. The all new ladies' paddock boot with Cobalt XR technology, the Performer Pro is a lace up model with full waterproof leather uppers. This sturdy, yet comfortable paddock boot is leather lined. The elastic twin gore offers ankle flexibility. The Performer Pro for ladies from Ariat has a Duratread outsole and self-cleaning tread.