Personalized Coach Swim Flippers Youth Long Sleeve T-Shirt. Coach in text dripping with water droplets and the letter A in the word coach wearing flippers is a humorous design for swimming and diving coaches at back to school, birthdays, holidays and swim season. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)