New, improved, form-fitting Tough1 64-18000F-10-101 Extreme Vented Sport Boots feature darts placed in key locations that allow these sport boots to conform to the legs. These vented boots provide support while keeping dirt and debris out. The vented inner layers of these durable boots work in conjunction with the vented outer layers to provide 360 degree of maximum protection and comfort. Suspensory slings of these high-quality boots provide flexible support to the fetlock while not restricting movement or inhibiting performance Front boots Vented inner layers of these durable boots work in conjunction with the vented outer layers to provide 360 degree of maximum protection and comfort Vented boots provide support while keeping dirt and debris out