This heavyweight t-shirt merges timeless style with durable construction, making it a staple for any wardrobe. Designed for a relaxed, comfortable fit with set-in sleeves and available in a wide array of colors. The shirt's pigment dye offer a timeless vintage appearance that remains through the life of the garment.

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Calculated chaos! This "Cat Math" shirt explains exactly why cats knock things over using complex physics equations. A witty and smart gift for engineers, students, and cat parents.