adidas combines past and present with the Ultra 4D, sitting the upper of 2015’s Ultraboost on the latest Three Stripe innovation: the 4D midsole. This all-black pair retains lettering of the Ultraboost’s key features. The Primeknit uppers are stretchy, form-fitting and covered in their OG weave pattern, while caging at both the midfoot and heel provide additional support. The sole only reiterates the focus on performance, with the distinctive lattice structure — in a tonal shade rather than its usual pistachio green hue — informed by years of athlete-gathered data to give responsive cushioning in the areas it’s needed most.