NIKE+SFB+B2+L.png。Nike SFB B1 Tactical Boots Size 11.5. New without tags or box Made with durable synthetic leather, the lightweight SFB B1 is designed for speed and flexibility over rough terrain. The flexible sole is equipped with an aggressive traction pattern (and features sticky rubber) for multi-surface grip and an internal rock shield to help prevent punctures. Nike Air cushioning in the heel delivers high-performance comfort no matter where your adventure takes you. Benefits Synthetic leather provides durability and breathability. Nike Air cushioning in the heel equips you with comfort so you can focus on the journey ahead. Dual-zone lacing integrates with a durable webbing system for enhanced stability and a locked-in fit. Ventilation ports on the side help keep your foot cool. Reinforced stitching and rubber at the toe add durability. Foam midsole gives you lightweight cushioning. Internal rock shield helps prevent punctures and reduce pressure. Rubber outsole with reinforced heel offers durable traction on a variety of surfaces.