Boys' sweaters can be identified by packaging, collar, washing, routing and some details. First, packaging, the eagle pattern on the real boy's packaging bag is clear and clean, while the eagle pattern on the fake boy's packaging bag is thick and fuzzy. Look at the wrapping paper inside. Real boy's wrapping paper is thin and elastic, while fake boy's wrapping paper has no transparency. Second, winning the bid. The most obvious difference is that the genuine boy collar pattern is clear, while the fake pattern is fuzzy. Third, take the line. The real boy's thread is clean and tight, and the tomboy's thread is messy. Fourth, wash the label. The genuine boy wash label is divided into three pages, the first page is English, the second page is Korean, and the third page is Chinese. Judging from the font, color and clarity, the words on the fake boy washing label are black and eye-catching, while the words on the genuine boy washing label are light. Fifth, the material used in the rope of genuine BOY is relatively thick, and the eagle pattern on the laser mark of genuine BOY is very clear, while the false eagle pattern is light in color, and the eagle wings on the laser mark are stuck together, which is slightly fuzzy and rough.

The barcode sticker of genuine BOY is darker in color, slightly thicker in font, and lighter in text color on the bottom plate. On the contrary, the font of the barcode sticker is thinner, and the text color of the bottom plate is darker. Boy is the symbol of London boy, the full name of which is BoyLondon, and the clothing logo is the eagle trademark. BoyLondon represents the label of Britain and is full of inclusiveness. Anyone can wear it in their own way or share it with others. BOYLondon's clothes are mainly black, mostly loose and casual, suitable for young people with fashion trends. At the beginning of its establishment, the brand was labeled as rebellious and constantly challenged the traditional clothing industry with subversive ideas. Bold and classic English patterns for boys, wide T-shirt tailoring and so on are all iconic features. London boy, with a unique style, has many superstars on his fan list. However, since the brand was silent, it gradually faded out of people's sight, and it did not return until 2007, and it was sought after by many superstars around the world.