Personalized Baby Boy Triplets Footprints Youth Long Sleeve T-Shirt. Triplet boys three sets of blue footprints on a Youth Long Sleeve T-Shirt - White. Great welcome home present or Mom or Dad of triplets keepsake. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)