This is a knit top from OPAQUE.CLIP. I think it's the type that can be worn loosely. The size is M. I've worn it several times, and there are no major pills or stains, but because I have cats and dogs, I wash it and use a lint roller carefully, but there may be some pet hair attached. Please understand and acknowledge this before purchasing. Returns and cancellations are not accepted, so please make your decision based on the images.