Waterproof full-grain leather upper with ion-mask? waterproof technology. Fully gusseted leather tongue and soft padded leather collar. Moisture-wicking lining and rustproof hardware. Women's specific last for superior fit and performance. Comfort-Tec contoured sockliner. Stabila-Flex contoured bi-fit board for support without the weight. Lightweight compression-molded EVA midsole and exclusive Vibram? outsole.