adidas Ultraboost 21 。The adidas UltraBoost 21 Sonic Ink Screaming Green Running Men\'s 12 is a vibrant and electric sneaker perfect for running and casual wear. This lace-up shoe features a rubber outsole, foam insole, and Primeknit upper material for comfort and support. The bold Sonic Ink Screaming Green colorway with blue accents is sure to make a statement, while the low-top shoe style and solid pattern add a modern touch to your activewear collection. The 2021 release of this shoe, part of the adidas UltraBoost product line, promises both style and performance for the summer, fall, and spring seasons.