UltraBoost 4.0 'Grey Multicolor'

Joining adidas’ series of multicolor Primeknit offerings, the UltraBoost 4.0 sports a primarily grey knit that forms a sock-like upper. Subtle rainbow accents appear throughout, while the full-length Boost midsole is contrasted in white. A Continental Rubber outsole offers traction in inclement weather, while Torsion is included for stability.