Sebago handsewn moccasin constructed Gibraltar is handcrafted with premium and rich full grain, waterproof leathers. We have included full grain leather lining and a three-quarter length leather socklining to offer a premium feel and optimal comfort. Our Vibram Lug sole with solid rubber offers durability and maximum traction when you need it most. Handsewn Blucher Moccasin Construction. Premium and Rich Full Grain, Waterproof Leathers. Corrosive-resistant Sebago Eyelets. Full Grain Leather Lining. Three-quarter Length Leather Socklining. EVA Heel Cup. Steel Shank. EVA Midsole. Vibram Lug Sole.