Why wear your personality when you can add it up?
This shirt isn't just soft and stylish—it's mathematically clever, emotionally nostalgic, mildly sarcastic, and dangerously punny. In other words, it's everything you've ever loved... or tolerated.
Perfect for the person who’s been told “you’re a lot”—because now you can prove it with math. Whether you’re a dad-joke dealer, a retro junkie, or just someone who peeks at the answer in the back of the book, this shirt solves the equation of: YOU.
 
SUM SHIRTS: Because basic math = obviously awesome.
This unisex softstyle t-shirt brings a playful vibe to your wardrobe, perfect for those who embrace humor and a love for math. The light and breezy fabric feels gentle against the skin, making it ideal for casual outings, cozy days at home, or fun gatherings with friends. Whether you're a teacher, student, or simply a fan of witty sayings, this t-shirt is a great addition to your collection. It's a fantastic gift for occasions like birthdays, back-to-school celebrations, or just to brighten someone’s day! Wear it during any festive gathering or holiday celebration, and let the smiles roll in!

Product features
- Seamless design reduces fabric waste and enhances aesthetic appeal.
- Durable ribbed collar retains its shape for long-lasting wear.
- Shoulder tape reinforces seams to prevent stretching during wear.
- Soft, breathable fabric made from ethically sourced cotton for comfort.
- Lightweight and versatile fit suitable for all seasons.

Care instructions
- Do not dryclean
- Do not bleach
- Tumble dry: low heat
- Iron, steam or dry: low heat
- Machine wash: cold (max 30C or 90F), with similar colors