Offering the kind of comfort most slip-ons only dream of, the Nantucket provides sustained cushioning and impact absorption with the Sebago Energy Return Heel Pad. But they don’t stop there. Utilizing both strobel and cement construction techniques, they deliver flexibility and lightweight comfort with their premium full-grain leather and nubuck uppers and their full leather linings. Nantucket™ Rubber Soles with heel kickers increase traction and durability. Imported.