The adidas Ultra4D Black Purple features a Primeknit upper and adidas' Futurecraft 4D cushioning system, providing a firmer technology than the adidas Boost midsole. With a futuristic black and purple colorway and unique sole, this sneaker released in August 2020 for $220. The adidas Ultra 4D 'OG' modernizes a classic design, incorporating a familiar color scheme from the original UltraBoost, while swapping in the innovative adidas 4D midsole for ultimate comfort. The lattice structure is crafted from a blend of liquid resin, light, and oxygen, ensuring a comfortable ride. The black knit upper is enhanced with a tonal midfoot cage and a contrasting purple heel counter, showcasing Ultra 4D branding, making this shoe stand out.