The best way to spread Christmas cheer is singing loud for all to hear. This festive Elf Christmas shirt is definitely the epitome of singing Christmas songs, be it carols or guilty pleasures. So, let's spread that Christmas cheer, by singing out loud and smiling like no other. Smiling's our favorite! XS = Chest: 39", Waist: 35", Sleeve: 25.2"; SM = Chest: 41", Waist: 37", Sleeve: 25.4"; MD = Chest: 44", Waist: 40", Sleeve: 25.8"; LG = Chest: 46", Waist: 44", Sleeve: 26"; XL = Chest: 49", Waist: 48", Sleeve: 26.2"; 2XL = Chest: 52", Waist: 52", Sleeve: 26.4"; 3XL = Chest: 56", Waist: 55", Sleeve: 26.4"; 4XL = Chest: 59", Waist: 58", Sleeve: 26.4"