Personalized Shut Up and Bowl T-Shirt. Shut up and bowl! Bowling is serious business, and bowlers know when it's time to talk and when it's time to bowl. Funny bowling gift that's sure to make you the hit of your league! 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.