adidas NMD_R1 STLT Primeknit Cloud White UK 5.5 Boost CQ2390 Trainers Running The NMD_R1 STLT Primeknit ‘Cloud White’ has an full Primeknit upper designed to adapt to the foot with a stretchy, sock-like fit. The knit build is supported by a heel counter and a Boost midsole, where a pair of EVA plugs provide further stability. Stripes woven into the upper deliver a light accent to the subtle design, while Solar Pink lines on the interior of the elastic collar bring a hit of colour.