Dunham’s dark blue boat moc has nubuck leather uppers, leather linings and footbed cover, removable molded EVA and memory foam footbed, and a non-marking, traction-boosting rubber outsoles. Dunham’s R-Bar® technology provides rearfoot stability. Nylon stability shank for solid arch support. Men's sizes 7-12, 13, 14, 15, 16, 17 and 18 in 4E; 9-12, 13, 14 in 6E.