Personalized Science of Reading Advocate Book Lover Reading T-Shirt. This product is more than just a design, it represents a movement. By wearing the Science of Reading Advocate Book Lover Reading design, you can proudly show your support for promoting reading comprehension and the importance of evidence-based reading instruction. 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.