Personalized Ski Bum Youth Long Sleeve T-Shirt. If you love to ski, say it proud with one of our Ski Bum Youth Long Sleeve T-Shirt - White! With the words "Ski Bum" spelled out in white skis, this design is a winner with any skier! youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)