Personalized Dabbing Snowman Youth Long Sleeve T-Shirt. Funny Christmas Youth Long Sleeve T-Shirt - Heather with a snowman in Santa's cap and scarf, dabbing, doing the dab. Gifts for the jolliest time of the year! youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)