Personalized Proud Firefighter Brother In Law Long Sleeve T-Shirt. Thin Red LineLong Sleeve T-Shirt - White with black and red American flag with fire fighter emblem says Proud Fire Fighter Brother In Law. Show your pride in your courageous brother in law or sister in law. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL