This is a hooded rash guard made of a smooth, slippery fabric. I used it to prevent sunburn while at the pool and the beach. I did not go directly into the pool or seawater with it. Size: Size LL, which I am listing as Tag size in the image is Japanese O size Please check the length and pit-to-pit measurements in the images. Please note that these are amateur measurements, so there may be slight variations. ● Material: 100% polyester ● Condition: I wore it 2-3 times, and there are no stains or frays. Please understand that this is a used item before purchasing. ● Other notes: I have stored it in my home apartment. Please check the photos for details on the design.