adidas UltraBOOST 2020 First Look | Hypebeast。Adidas Ultraboost 20 running shoes in Core Black with a striking iridescent violet and blue Boost midsole. These performance sneakers feature a breathable Primeknit+ upper that provides a sock-like fit and tailored fiber placement for support. The stretchweb outsole with Continental Rubber ensures superior traction in both wet and dry conditions, while the iconic Torsion Spring in the midsole provides support during landing and propulsion at toe-off. Finished with a 3D heel frame for stability and classic lace-up closure.