The adidas Ultra Boost 2020 ISS US National Lab Dash Grey Blue Violet is a high-performance running shoe that combines style and comfort. The shoe features a sleek grey and blue violet colorway that is perfect for any occasion. The upper is made of Primeknit material, which provides a snug and breathable fit. The Boost midsole offers responsive cushioning, while the Continental rubber outsole provides excellent traction on any surface. The shoe also features a Torsion System for added stability and support. The adidas Ultra Boost 2020 ISS US National Lab Dash Grey Blue Violet was released on December 5, 2019, and retails for $180. Whether you're a serious runner or just looking for a stylish and comfortable shoe, the adidas Ultra Boost 2020 ISS US National Lab Dash Grey Blue Violet is a great choice.