Personalized Mother of the Groom in White Long Sleeve T-Shirt. The Mother of the Groom deserves special treatment, too! She can wear her title proudly here! 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