Purchased a few years ago in Jena. It has elastic inside, so it stretches and shrinks, making it easy to put on and take off. It's a brand called At.COULEUR. COULEURAt.COULEUR (Arte Couleur) was created as a brand that harmonizes the individuality of the wearer through the fusion of the skills of artisans and workshops with the colors of the times. The items are designed with the desire to enrich the daily lives of the users with simple designs that look fresh in the atmosphere of the times and materials that can blend into any scene.