The Original Coding Language Long before computers, there was DNA. For more than 3.6 billion years, life has relied on a remarkably elegant code built from just a few molecular building blocks. From bacteria to blue whales, every living organism on Earth is written in the same biological language. Featuring DNA, nucleotide structures, and the bases that make life possible, this design celebrates the original coding language that powers evolution, adaptation, and biodiversity. Whether you're a biologist, geneticist, educator, student, programmer, healthcare professional, or simply someone who appreciates science, this shirt is a tribute to the code that started it all. Perfect for the classroom, laboratory, conference, office, coffee shop, or everyday wear. Because before there was software, there was DNA. • Designed for science enthusiasts • Premium soft-feel unisex t-shirt • Lightweight and comfortable for everyday wear • 100% combed and ring-spun cotton (Heather colors contain polyester) • Fabric weight: 4.2 oz./yd.² (142 g/m²) • Pre-shrunk fabric • Side-seamed construction • Shoulder-to-shoulder taping • Blank product sourced from Nicaragua, Mexico, Honduras, or the US Disclaimer: The fabric is slightly sheer and may appear see-through, especially in lighter colors or under certain lighting conditions. This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!Size guide LENGTH (inches) WIDTH (inches) CHEST (inches) XS 27 16 ½ 31-34 S 28 18 34-37 M 29 20 38-41 L 30 22 42-45 XL 31 24 46-49 2XL 32 26 50-53 3XL 33 28 54-57 4XL 34 30 58-61