Celebrate the beauty of balance with our Golden Ratio T-Shirt ? the perfect blend of intellect and aesthetics. Whether you're a math geek, a designer, or just someone who appreciates perfect proportions, this tee pays homage to the legendary ratio that defines harmony in nature, art, and architecture. Featuring the iconic Fibonacci spiral or the Greek letter Phi (?), this shirt makes math stylish and meaningful. From nautilus shells to galaxies, the Golden Ratio appears everywhere ? now it can appear in your wardrobe too. Crafted from soft, breathable cotton and cut with a relaxed unisex fit, it?s great for classrooms, studios, coffee shops, or casual days when you want to show off your brainy side with subtle flair. Also a thoughtful gift for math teachers, graphic designers, architects, and curious minds. ? Smart is the new stylish ? and this ratio proves it. Keywords: golden ratio T-shirt, math lover tee, Fibonacci spiral shirt, designer shirt, artistic geometry shirt, unisex intelligent apparel, Phi t-shirt, geeky math tee, smart fashion, aesthetic math design. Size guide LENGTH (inches) WIDTH (inches) SLEEVE LENGTH (inches) S 28 18 15 ? M 29 20 17 L 30 22 18 oe XL 31 24 20 2XL 32 26 21 oe 3XL 33 28 22 LENGTH (cm) WIDTH (cm) SLEEVE LENGTH (cm) S 71.1 45.7 39.7 M 73.7 50.8 43.2 L 76.2 55.9 47 XL 78.7 61 50.8 2XL 81.3 66 54.6 3XL 83.8 71.1 58