The upper of the adidas Ultra Boost 2.0 Core Black Solar Red features a sleek and breathable Primeknit material. The Core Black color dominates the upper. The Primeknit construction adapts to the foot's shape, delivering a snug and adaptive fit that promotes natural movement while running. The Solar Red colors appear on key elements such as the adidas 3-Stripes branding on the sides, the TPU heel counter, and the insole branding. The midsole is equipped with adidas' renowned Boost technology, providing cushioning and energy return with every step. The Boost foam is responsive and lightweight, ensuring a comfortable and efficient running experience. The outsole, made from a Continental rubber compound, features a durable and grippy tread pattern, offering reliable traction on wet and dry surfaces and enhancing running stability and confidence.