Personalized CDM Sombrero 2018 Youth Long Sleeve T-Shirt. Cinco De Mayo Youth Long Sleeve T-Shirt - White with distressed sombrero and flowers graphic says Cinco De Mayo 2018. For fiestas, festivals, celebrations, parades and parties. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)