Cosoo is an online retailer specializing in soccer apparel and customizable teamwear. The brand helps clubs, teams and supporters create a coordinated look, offering custom soccer jerseys with printed designs and a range of colors and styles. Its catalog features short-sleeved jerseys with options such as contrasting lines, curved details and sublimation prints, including combinations of black, white, green, gold, red and other colors. Jerseys are listed in sizes from S to 4XL, and the site also promotes classic designs for adults and children.

Customers looking for a complete outfit can choose kits that include a jersey, shorts and socks, with value packs also available. Cosoo highlights high-quality printing and fast delivery in France, and provides online shopping features such as order tracking, wish lists and product comparisons. The website offers customer support by email and phone, alongside information about sizing, shipping, returns and payments. Cosoo is operated by Quzhou Yankuan Trading Co., Ltd., with its listed business address in Quzhou, China.