Sebago Smyth Wing Tip full grain leather formal shoe's strobel + cement construction provides superior flexibility and lightweight durability. Leather uppers. Blind eyelets for refined durability. Flat waxed cotton laces. Skeletal leather/textile-lined uppers. Leather/textile-covered, removable, OrthoLite® cushioned footbed. Genuine leather storm welt. EVA (ethylene vinyl acetate) outsole with non-marking, slip-resistant rubber pods.