This is a summer knit from Nano Universe. It's thin and has a cute design with a see-through pattern on the shoulders. Color: White系 (White-based) Sleeve Length: 5-7分丈 (5- to 7-part sleeves) Season: Spring, Summer Stains, tears, odors, etc.: None The size is listed as free, but it's a size S or M, and I feel it's closer to an S size.