After receiving multiple looks at the highly-anticipated sacai x Nike Cortez 4.0 “OG”, the official images for the alternate grayscale colorway have now emerged. The upcoming pairs arrive on the 50th anniversary of Bill Bowerman’s Cortez silhouette and feature sacai’s signature twinned design found across its other Nike footwear collaborations such as the Blazer Low and VaporWaffle.Uppers arrive in a nylon base with double-stacked suede panels on the heel and overlapping Swooshes on the laterals. Nike and sacai co-branding is featured on the white leather heel tabs, laces arrive in duos, and double-layered collars tease both GR and collaborative tongue tabs. Rounding out the design is an extended heel piece, Zoom Air bubble pucks on the split midsoles, and grooved rubber outsoles.Take an official look at the sacai x Nike Cortez 4.0 “Grey” above and expect the pairs to release this Fall at Nike’s website and select retailers for $160 USD.Elsewhere in footwear, and wander and Salomon reunite for new all-terrain footwear.Click here to view full gallery at HYPEBEAST