Personalized Bring On The Boos T-Shirt. Bring on the Boos T-Shirt - Light Blue have a fun play on words for a halloween design! This design is decked out with spider webs and creepy crawly spiders for thrills and chills and Trick-or-treat! 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.