adidas Ultraboost 5X 'Black'

The adidas Ultra Boost 5X Black refines the Ultra Boost formula with a sleeker, more performance oriented design while preserving the comfort focused identity that made the franchise a defining force in modern running footwear. Built around lightweight responsiveness and streamlined support, the silhouette balances athletic functionality with everyday versatility.

The upper features a Core Black knit construction that delivers a flexible, sock-like fit while maintaining breathability and structure. Subtle Cloud White accents provide light contrast against the otherwise monochromatic design, allowing the sculpted midsole and refined geometry to stand out naturally. Compared to earlier Ultra Boost models, the 5X introduces a lighter and more responsive feel, emphasizing speed and efficiency while keeping the recognizable Boost cushioning platform at the center of the experience. The updated tooling and streamlined proportions give the shoe a sharper, more athletic profile without sacrificing all day comfort.