I purchased this at Isetan. It's a size S-M. Below is the brand description: Established in Sweden in 1980, this fitness wear brand is dedicated to both sports and fashion, offering fitness wear for women who don't compromise on quality or functionality. The brand combines the simple beauty of Scandinavian design with functionality, and offers not only apparel but also a wide range of sports goods. It's a brand known for its uniqueness and novelty.