UNIQLO Gray Mickey Sweater. The material is 100% cotton and easy to wear. There's a slight bit of pilling under the arms, but it's not very noticeable. *This item has been washed at home and stored for 2-3 years. Please understand that this is a used item, as I may have missed some stains or damage due to my amateur inspection. Please refrain from purchasing if you are concerned about minor details.