Most likely one-size since there is no size tag that I can find. Second to last photo shows the back of garment. TOP RATED SELLER 👗This item is from my personal closet 📏All measurements are approximate if noted 🚫Non-smoking, pup-friendly home 🚩Will do my best to note any flaws - please check all pictures for additional details as they are part of the description and show the wear and condition of the item. ❓QUESTIONS? Leave a comment below 👇🏼 ✨Bundle & Save! Get 20% off when you bundle 2 or more items from my closet✨ FAST SHIPPING 💌 Happy shopping 🛍️