This is a thin, lightweight band collar shirt. The neckline isn't too tight, making it easy to wear. It's not see-through, but the fabric is thin when held up to the light. Suitable for summer air conditioning, or for regulating body temperature in spring and early summer. This is a product from the influencer Hina. 3L Bust (flat measurement): 59.5-60 cm This item is also listed elsewhere, so it may be cancelled if unavailable.