Personalized Our First Mother's Day Together T-Shirt. Nothing is more touching than a mom's first Mother's Day, and this Our First Mother's Day Together design says it all. Whether you're a proud partner, family member, or looking for a heartfelt gift, this piece is a beautiful tribute to the beginning of a lifelong journey between mother and child. Celebrate motherhood with love, emotion, and style. 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.