The ideal boot for facing unexpected weather on the trail, our Mount Lincoln hiking boots feature aGore-Tex membrane to help keep your feet dry and protected, while allowing moisture vapor from sweat to pass through.Timberland supports responsible manufacturing of leather via the Leather Working Group. DETAILS Upper made with waterproof premium Timberland® leather Rustproof speed lace hardware with lace hooks at top Fully gusseted tongue Polyester fabric lining Removable contoured sockliner Compression-molded EVA midsole GORE-TEX bootie construction Rubber lug outsole We are a member of the Leather Working Group Premium Timberland® leather upper