"I Run on Coffee & Sarcasm – Retro Chill Tee for S Tシャツ

For those who sip espresso and serve sarcasm. This retro-inspired tee features “I run on coffee & sarcasm” in chill typography, surrounded by a subtle coffee bean pattern. Designed for USA-based males aged 20–30 who blend vintage style with modern sass. Whether you're coding, commuting, or caffeinating through chaos, this shirt is your daily mood board. It’s ideal for creatives, students, and anyone whose personality is 90% caffeine and 10% eye-roll. A must-have for those who roast beans and people alike. Stay snarky. Stay stylish.