Personalized Science Magic T-Shirt. Science! It's like magic, but real. Magic hats and wands are nice, but they can't beat test tubes and math. Funny gift for anyone who loves science over trickery. 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.