Smooth leather upper. Traditional lace-up design allows for a secure and adjustable fit. Padded tongue and collar provide additional comfort and cushioning. Leather and textile lining is naturally breathable to help feet stay cool and dry. Footbed is covered in leather and textile and cushioned for all-day comfort. Sano technology that features a Multi Vibration System for energy return and a natural forward motion when walking. Durable 100% rubber outsole provides perfect traction.