The adidas UltraBoost rLEA Lab 'Black Sonic Ink' presents an innovative take on the popular running shoe, offering a chukka-boot style design for added versatility. The upper is composed of black Primeknit material with eye-catching cross-stitch detailing on the forefoot suede overlay, providing a unique visual appeal. Incorporating sustainability, a Leatherknit tag is attached to the lateral ankle, showcasing the usage of shredded leather waste and recycled polyester for the collar material. Additionally, this shoe ensures optimum comfort through its full-length Boost midsole, which offers lightweight cushioning, and a Stretchweb Continental Rubber outsole, providing enhanced traction and durability. Overall, the adidas UltraBoost rLEA Lab 'Black Sonic Ink' offers a sleek and performance-driven footwear experience, perfect for those seeking both style and functionality in their running shoes.