With a full grain leather upper, an antimicrobial footbed and Danner"s lightweight and cushioning Synergy System platform, the 44320 Danner Men"s Fowler GTX Hunting Boots put comfort under foot. Focusing on cushioning and long lasting comfort, the Fowler features a durable waterproof full-grain leather upper an antimicrobial footbed with open cell construction for air circulation, an EVA cushioning midsole and Danner"s lightweight Synergy system platform.