Happy Cat Formula T-Shirt | Purrs × Mischief ÷ Love

Find your formula for happiness with the Happy Cat Formula Tee. This clever design features a sleek black cat sitting contently in a minimalist garden scene, paired with the equation (Pu² • Mi³) / Lo = Happy Cat — because the perfect balance of purrs, mischief, and love always adds up to joy.

Crafted from soft, lightweight cotton with just the right stretch, this tee feels as good as it looks. It’s a stylish, uplifting choice for cat lovers, science fans, or anyone who believes happiness can be measured in purrs.

Details:
• 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

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!