Personalized Shut Up and Golf T-Shirt. Shut up and golf! Golfing is serious business, and golfers know when it's time to talk and when it's time to play. Funny golfing gift that's sure to make you the hit of the fairway! 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.