Bringing future forms to the next generation, the Astra Ultra explores shape and style by utilising 3D, generative AI. The smooth, synthetic leather upper features rippling design lines, while the futuristic outsole and heel patterning lend complexity to the minimalist look. And the sleek, low-profile silhouette and asymmetrical laces draw inspiration from traditional football boots as a nod to sports heritage. Benefits * Synthetic leather upper with rippling design lines adds sleek style. * Asymmetrical lacing nods to football roots.