Personalized Best Gigi Grandma Ever Grandchild Youth Long Sleeve T-Shirt. I have the best Gigi Grandma ever cute Youth Long Sleeve T-Shirt - Heather for a grandson or granddaughter with little elephant design. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)