adidas by Stella McCartney Ultraboost 5 pairs a breathable mesh upper with Boost cushioning for responsive running and everyday wear. Designed for comfort and energy return on mid‑ to long‑distance runs or daily use. Key attributes: Ivory | Grey One | Core Black | Mesh | Boost midsole for energy return | Breathable mesh upper | Lightweight cushioning | Lace-up closure | Rubber outsole for traction | Heat-sealed details | Mesh upper construction | Composition & care: Mesh | Textile | Synthetic | Boost midsole | Rubber