Evoke a smile with our cheeky "404 Error Not Found" T-Shirt, which features the chemical structure of serotonin in striking 90s neon blue and pink. This clever tee is perfect for tech enthusiasts and science lovers alike, combining a playful internet meme with a nod to the neurotransmitter associated with happiness. Made from soft, lightweight fabric with the right amount of stretch, it ensures a comfortable and flattering fit for all. Whether you're making a statement in the classroom, at a casual outing, or just relaxing at home, this shirt is a fun way to express your quirky side while sporting vibrant retro colors. Flaunt your geek chic style with this unique and amusing design!

We’re gonna make you an offer you can’t refuse: the best 100% cotton tee you’ve ever tried. Pre-shrunk fabric? Check. Side-seamed construction? Check. Best fit ever? Double check.

• 100% combed and ring-spun cotton (Heather colors contain polyester)
• Fabric weight: 4.2 oz/yd² (142 g/m²)
• Pre-shrunk fabric
• Side-seamed construction
• Shoulder-to-shoulder taping
• Blank product sourced from Guatemala, Nicaragua, Mexico, Honduras, or the US

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!