RageIT Kids Long Sleeve Plain Basic Top Girls Boys T-Shirt Tops Crew Uniform Tee Machine Washable This basic long sleeve top in lovely colours is very comfortable and perfect for layering or on its own. Long sleeves. Stretchy. Material 95% Viscose, 5% Elastane Measurements of the item laid flat, unstretched. Armpit to armpit; length shoulder to hem: sleeve length: 1-2 Years (size 2) 11.5"; 14.5"; 12.5; 3-4 Years (size 4): 12"; 15"; 13; 5-6 Years (size 6): 12.5"; 16.5"; 15"; 6-7 Years: (size 8) 13.5"; 17.5"; 16.5"; 7-8 Years (size 10): 14"; 18"; 17.5"; 9-10 Years (size 12): 14.5"; 18.5"; 18.5"; 11-12 Years (size 14): 16"; 20.5"; 19.5" .