The adidas Ultra 4D ‘White Sonic Ink’ delivers a hybrid silhouette that combines a sustainable build with precisely engineered tooling. The white textile knit upper, made with 50% recycled content and zero virgin polyester, features green-colored yarns that are pitched to a fluorescent hue. Sonic Ink accents land on a molded midfoot cage and an external heel counter marked with Ultra 4D branding. The lightweight build sits on a 3D-printed midsole, highlighted by a revised lattice structure that offers targeted support and cushioning.