The Reebok Zoku Runner Ultra Knit IS sneaker is a high-performing shoe that merges advanced materials with a minimalist aesthetic. When it was originally introduced in 2017, this design revolutionized the industry by being the first to feature the groundbreaking Ultraknit construction. This version in 'Flint Grey' boasts a sleek all-black appearance from the heel to the toe, showcasing a seamless one-piece profile. To enhance its durability and stability, a midfoot TPU cage is incorporated, including a subtle signature window box paying homage to the timeless Reebok branding. Additionally, this sneaker is equipped with a speckled DMX midsole that rests on a resilient rubber outsole.