Personalized Black Vintage Bones T-Shirt. Black vintage rib cage bones are the spooky fun fashion you need in your life right now. Wear this creepy design and freak out your friends! 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.