This "Signal Flag Shirt" is inspired by international signal flags. Just like semaphore signals, each of the 26 letter flags is assigned an alphabet letter, but in fact, some flags have specific meanings when flown individually. When flown in combination, they can also mean things like "Wishing you a safe voyage." It's like a code used by sailors. Good visibility is also an important point of signal flags. Because the flags are printed on the shirt, the pattern itself is small, but the shirt has a great impact. We also chose buttons engraved with an anchor mark for this shirt.