Personalized Little Cowboy 3rd Birthday Youth T-Shirt. Western theme 3rd birthday THIS LITTLE COWBOY IS 3 Youth T-Shirt - Kelly Green with cowboy hat, toy horse, cactus and sheriff's badge with big number three. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.