Girl Math Simply Southern Short Sleeve Tee Beautiful Chinchilla color sage green with frozen mocha, chicken nuggets, make up Sephora Join the ultimate club for math-loving girls with this quirky T-shirt from Simply Southern. Featuring a playful and fun "Girl Math Social Club" design, this shirt is basically free (because let's be real, who doesn't love math?!). Show off your love for numbers and join the club today!