You'll be feeling poisonous as ever this year when you put on our Adult Poison Ivy Tights Poison Ivy is a Batman supervillain who is known for her ability to kill others with her poisonous touch, as well as manipulate plants to do as she wishes. With this set of stunning ivy tights, you'll be feeling just as powerful and magical as the one and only Poison Ivy herself. Join forces with the Joker and Harley Quinn, and go wreak havoc with your toxins, poison, and plant-life!