The tag is missing, but rest assured, this is 100% authentic! With this color scheme and these details, plus the absence of a Japanese tag and the use of shell buttons, you don't see this very often. Its coolness goes without saying. How about adding this piece to your wardrobe this season? - Color: Navy, Red, Green, and Yellow Stripes - Design: Polo collar, with buttons - Material: Knit - Style: Casual Thank you for looking.