The underwear comes from the ALBERO collection. Regarding their materials and production conditions, ALBERO says: "All our products are certified to the highest standards, i.e. they come from organically grown cotton and are manufactured in Turkey under fair and ethically clean conditions. The globally recognized guidelines include sustainable, resource-saving production of textiles as well as fair working conditions in the production countries and transparent labeling. With us, all production processes, from the cultivation of the cotton to the finished end product, are certified and are regularly checked by an independent, international control organization. All of the suppliers we work with are certified."