Celebrate a 65th birthday with a touch of humor! This classic black t-shirt features a clever math equation design: the square root of 4225, which equals 65. Made from what appears to be a comfortable and breathable cotton blend, this tee is perfect for casual wear. The bold, slightly distressed print adds a vintage feel. Ideal for birthday parties, family gatherings, or just a fun day out, this shirt is sure to be a conversation starter. Show off your witty side and mathematical prowess with this unique birthday gift!