Personalized 3rd Grade Teacher Halloween Costume Women's Plus Size V-Neck. 3rd Grade teacher I'm batty about my students Women's Plus Size V-Neck - Black makes a great Halloween week costume idea. 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.