Personalized Keep Rolling Your Eyes You Might Find A Brain Back There T-Shirt. Searching for a gift that speaks volumes? This design is an excellent choice for the friend, coworker, or family member known for their quick wit and sassy personality. 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.