Personalized Congressman Vintage T-Shirt. Congressman T-Shirt - Charcoal Grey has retro look vintage label design that says Premium Quality Congressman. Great for a friend or a retirement party idea. Everyone loves our Custom T-Shirts! 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.