Personalized Super Trex 4th Birthday Women's Plus Size V-Neck. Rawr! A Trex superhero wearing a birthday hat is surrounded by a colorful burst of confetti. Cool 4th birthday gift for your four year old. So comfortable you'll want one in every color! These versatile v-neck t-shirts are great to wear to the office or at a weekend BBQ with friends. Available in a wide range of colors to compliment any wardrobe, these shirts are softly shaped to complement a plus sized woman's curves.