Personalized Police Officer Proud Son T-Shirt. Proud son of a police officer T-Shirt - Navy Blue outfit with blue line flag for boys in a law enforcement family. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.