Personalized Messy Bun Halloween Big Sister T-Shirt. The design features a charming graphic that captures the whimsical nature of a messy bun, making it an ideal choice for big sisters who want to showcase their personality during the spooky season. 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.