(Pack of 2) Rebel Active Boys Athletic Warm Dri-Fit Long Sleeve Shirt 9-10 Blue Very high quality fabric: 63% Nylon, 14% Elastane, 23% Polyester; Machine washable. 100% Authentic Rebel Active merchandise, satisfaction guaranteed! Long sleeves; Brand logo printed at front. The thermally efficient fabric helps retain heat, providing a better defense against chills.