The adidas Ultra Boost 4 Seoul 1988 is a limited edition sneaker that pays homage to the 1988 Summer Olympics held in Seoul, South Korea. The shoe features a white Primeknit upper with metallic gold accents on the Three Stripes branding and heel counter. The Boost midsole provides exceptional cushioning and energy return, while the Continental rubber outsole offers superior traction. The Seoul 1988 edition also includes a special tongue tag and insole graphic to commemorate the historic event. Released on September 28, 2018, the adidas Ultra Boost 4 Seoul 1988 retailed for $150. This sneaker is a must-have for collectors and fans of adidas' iconic Ultra Boost line.