This is a set consisting of a long shirt and knit vest from the brand "natural mist class." I purchased it at Chiba Sogo for around 8,000 yen. The size is free size. The color of the knit vest is khaki. I wore it twice. It has wrinkles from being folded, but I think it will be fine if you iron it. I am 153cm tall, and the length is knee-length, so I think it would be good to wear pants or something underneath. Feel free to ask any questions.