Show off your love for math with this humorous black t-shirt. The design features a vibrant blue square root symbol encompassing the number 121, followed by the text "YEARS OLD". This suggests a playful take on age, perfect for math enthusiasts. The graphic is slightly distressed, giving it a vintage feel. Subtle mathematical equations fade into the background adding another layer of visual interest. Made from a comfortable-looking fabric, it's ideal for casual wear, math-themed parties, or as a fun gift. Comfortable and humorous, make a statement with this unique t-shirt!