The joint European standard for size labelling of clothes, formally known as EN 13402 Size designation of clothes, is a European standard for labelling clothes sizes which has been partially adopted, and aims to make it easier to find and select fitting clothes. The standard is based on body dimensions measured in centimetres, and as such aims to allow for finding fitting clothing sizes by measuring the body with a tape measure (for instance at home) or by comparing to already fitting clothing which conforms to the EN 13402 standard. The standard can therefore contribute to more environmentally friendly trade as it can lead to less return of clothes bought on the internet.