We Match! Like Mother Like Son Women's V-Neck & Baby & Kids Two T-Shirts Set Choose both your t-shirt and T-Shirt size. Approximate sizing for the T-Shirts: 2T (Up to 7 pounds, Cobalt); 3T (7-17 pounds, Cobalt), 4T (17-25 pounds, Cobalt), 5/6T (25-30 pounds, Cobalt). T-shirts are are women's cut and run slightly small. Both t-shirts are 100% cotton. This will make the cutest facebook/instagram/pinterest pictures! Excellent quality, comfortable and fun.