Personalized Proud Firefighter Uncle Youth T-Shirt. Thin Red LineYouth T-Shirt - Heather with black and red American flag with fire fighter emblem says Proud Fire Fighter Uncle. Show your pride in your courageous nephew or niece. 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.