The "It's Been a Long Day" Tee features a UV reactive Longcat graphic that only appears under sunlight or direct UV exposure, creating a hidden visual effect. Finished with a subtle embroidered phrase, "it's been a long day," the piece balances minimal design with a playful nod to early internet culture.
Oversized Tee Fit
UV reactive fro
4.9
12 ratings
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The fabric has a really good quality to ir, very sturdy while also comfortable, the design is beautiful and its UV-activated pattern is rrally nice and a cute surprise
Isabella · June 3, 2026
Loooooong cat
Pretty pleased with this one. Nice quality, great art. The art is Almost invisible inside, very reactive to Uv, appears instantly in the sun. Neck tag is slightly scratchy, but looks sick so a win overall.