Sergio Tacchini is an Italian sportswear brand, founded in 1966 by the namesake former tennis player, known for revolutionizing tennis apparel by introducing color and style to the sport. The brand expanded from tennis to other sports like golf and skiing, and later became a staple in casual fashion and streetwear, worn by athletes such as John McEnroe and Novak Djokovic, and embraced by subcultures like the 80 Casual and NYC hip hop.