Model : Item 229O24BEWIAdidas Women Ultra Boost Uncaged - Core Black/Solid Grey/Gold Metallic | Running Shoes Model A369 Release your competitive edge with the adidas Ultra Boost Uncaged — a fast, comfortable running shoe that looks as good as it feels. Primeknit upper and knit, sock-like opening move and stretch with your foot for a breathable, comfortable fit. Full-length Boost midsole returns energy with every step, propelling you to a faster run. TORSION SYSTEM creates a smooth transition from heelstrike to toe-off, resulting in a more natural running stride. Stretch Web outsole for durable traction that adapts to any surface. Wt. 8.9 oz.