Personalized Super Stepmom Long Sleeve T-Shirt. Super Stepmom! Mild-mannered stepmother reveals her hero identity of Super Stepmom! Great Mother's Day gift for any step mom. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL