The adidas Ultra Boost 2021 Halo Silver is a sleek and stylish running shoe that offers both comfort and performance. The shoe features a silver and white colorway with a Primeknit upper that provides a snug and supportive fit. The Boost midsole technology offers responsive cushioning and energy return, while the Continental rubber outsole provides excellent traction on a variety of surfaces. The shoe also features a Torsion System for added stability and support. The adidas Ultra Boost 2021 Halo Silver was released on February 4th, 2021, and retails for $180. Whether you're hitting the pavement or the gym, the adidas Ultra Boost 2021 Halo Silver is a reliable and stylish choice for your next workout.