Adidas Sonic Drive Response Boost LT Scarlet-Black-BB2959 Running Sneakers / Shoes Engineered mesh for a supportive fit through a breathable, engineered lightweight textile. Ultra responsive comfort and cushioning combined with unmatched longevity in every climate. Stores and unleashes energy every time the foot hits the ground. STRETCHWEB adapts to every runner's foot strike by unleasing the full potential of BOOST to provide a smoother and more flexible ride Men's Size 8.5 Excellent condition, minimal signs of wear, close to new.