The adidas UltraBoost Leather 'Core Black' reimagines the innovative running shoe with a streetwear aesthetic. This low-top silhouette comes in a sleek triple-black colorway across its Primeknit upper, the Three-Stripes cage, and heel cup. Signature adidas branding appears on the tongue and near the counter. The tonal Boost midsole offers responsive cushioning, while the Continental Rubber outsole provides reliable traction. These 'Core Black' UltraBoosts are suitable for running and light training.