A perfect wardrobe addition for father & son, brothers or any other large & small combinations! Stone, super soft, 100% cotton T shirts with geek applique. The smart spectacled guy appears sporting a bow tie & comb over. Hand made in our studio with much love & care. Men's Size Guide: Size 34-32" = Small, Size 38-40" = Medium, Size 42-44"- Large, Size 46-48" = XL, Size 50-52" = XXL, Boy's Size Guide: Size 22-24" = 1-2 Years, Size 24-26" = 3-4 Years, Size 26-28" = 5-6 Years, Size 30-32" =7-8 Years, Size 34-36" = 9-10 Years, Size 36-38" chest = 11-12 Years,