The Ultra Boost has been a runaway hit for adidas, and the performance runner expresses its value to the Three Stripes in literal fashion, featuring silver and gold accents in these upcoming colorways. First up is a tonal black edition that sees a metallic gold heel clip delivering contrasting bit of sheen, followed by a pair that uses black and grey shades on the Primeknit upper and metallic silver on the heel counter. Stay tuned for world on a release date.