Nike's latest interpretation of the classic Air Force 1 silhouette might be the best one yet! The SF-AF1 updates the Air Force 1 with a military-inspired design. A ballistic nylon upper protects you from all the elements and removable ankle straps allow for a custom look. Hidden pocket on tongue. High collar with durable military-inspired nylon. Removable ankle straps offer a versatile fit and look. Full-grain leather for durable comfort. Air-Sole cushioning underfoot is lightweight. Rubber outsole for durability and traction.