There are two kinds of genuine collar labels for boy, overseas version and Korean version. The overseas version is also marked with the trademark "R" after the "Y", and the size of the clothes is marked on the lower side of the collar. The Korean version of the logo is very different, engraved with the eagle logo and the British flag, and printed with the words "Zi 1976".

Boy, whose Chinese name is London boy, is a British street fashion brand. The full name of the boy is boy London, which was founded by Stephane Reynolds in 1976.