Personalized Halloween Ghost Hey Boo T-Shirt. Don't miss out on the chance to stand out this Halloween! Our "Hey Boo" print design apparel is not only stylish but also a great conversation starter. Grab yours today and get ready to embrace the spooky season in style! 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.