Outer material: Leather About this item: The Sperry Authentic Original boat shoe is the classic choice for true nautical style. The genuine leather, tru-moc style uppers create classic style for any occasion. 360 Lacing System with fully functional rawhide laces and rustproof eyelets Perfed Dri-Lex sock liner covers a shock-absorbing EVA heel cup, providing additional cushioning and comfort. Cushioned Ortho-Lite insoles for all-day comfort. Non-marking rubber outsole with razor cut Wave-Siping technology for ultimate traction on both wet and dry surfaces.