Step into these running shoes, that are ultra-cushioned and limited edition, and you'll rethink everything you know about what fast and comfortable feel like. A boost™ midsole offers incredible energy-returning cushioning, and a breathable adidas Primeknit upper gives them a supportive and sock-like fit. TORSION® SYSTEM in the midfoot supports your foot's natural flex from heel to toe, and a Continental™ Rubber outsole provides traction in all weather conditions.