Personalized Hello 2nd Grade Messy Hair Bun Girl Back To School First Day T-Shirt. Make the back-to-school experience memorable with this charming and fashionable piece. 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.