There are no buttons or zippers in the front. You can wear it like a blouse with an inner layer, or as a cardigan or light outerwear, changing the way you wear it to your liking. It's frilled to match the cutwork. The length is short, so it goes well with both pants and skirts. The size is 40, but it was fine for me, who usually wears S-M. Size: Shoulder width: Approximately 38 cm Body width: Approximately 49 cm Sleeve length: Approximately 48 cm Length: Approximately 45 cm