Square Root 15th Birthday Gift 15 Years Old Math Tshirt-TH

Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 65% Cotton, 35% Polyester, Imported, Machine wash cold with like colors, dry low heat, TSHIRT IS DESIGNED TO BE FITTED. FOR A LOOSER FIT CONSIDER SIZING UP, Birthday novelty gifts for son daughter grandson granddaughter, funny birthday party t-shirt supplies for teens teenager youth boys girls clothes, best bday yr old gift ideas for him or her, math years old joke present, nerdy b-day yrs old apparel, Lightweight, Classic fit, Double-needle sleeve and bottom hem