The collaboration between adidas and Stella McCartney brings forth the stylish Ultra Boost Uncaged for women, showcasing a pristine white Primeknit upper adorned with subtle tonal embroidery. The design also incorporates a Chalk White heel counter and Stella McCartney branding on both the heel and tongue pulls. To ensure comfort and durability, the sneaker is equipped with a black Boost midsole and Continental rubber outsole. As for its release, the sneaker made its debut in January 2018 as part of a three-pack alongside yellow and black variations.