This item is stretchy and made of soft, thin fabric that feels good against the skin and is comfortable to wear. The back is long, so it covers the hips. The neck and sleeves are elastic. The hem has lace. Size: 150-160 (Japanese sizing) It has a relaxed fit, so it can also fit an adult size S. The item has been home-laundered before listing. I will offer a discount if you purchase this item with other items.