Personalized Daddy's First Mate Wheel Youth Long Sleeve T-Shirt. Baby blue Daddy's First Mate ship wheel design has a nautical theme that looks so sweet on this sailing Youth Long Sleeve T-Shirt - White for boys. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)