Fibonacci - Long Sleeve

Classically Caffeinated Verified independent store

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For those who know coffee isn’t just a drink—it’s a formula. This long sleeve is a wearable ode to the golden ratio of survival: hope, exhaustion, fractions learned through baking, caffeine, and prayer. Perfect for lesson days, late nights, and every spiral in between. Soft yet sturdy, the 100% Airlume combed and ring-spun cotton (4.2 oz/yd²) gives it that “already my favorite” feel, while the retail fit keeps it casual but sharp. Tear-away label, true-to-size, and built for layering when math runs long and the coffee runs deep. Because not every proof can be solved in short sleeves. Show more