Personalized Christmas Owl Little Sis T-Shirt. Cute little sister T-Shirt - Scuba Blue with adorable owl in Santa hat and scarf says Lil Sis in snow covered text. For owl lovers. 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.