Textile articles carrying the STANDARD 100 label, guarantees that every component of the article, i.e. every thread, button and other accessories, has been tested for harmful substances and that the article is therefore harmless for human health. The testing is conducted by an independent OEKO-TEX® partner institute on the basis of the extensive OEKO-TEX® criteria catalog. The testing considers numerous regulated and non-regulated substances, which may be harmful to human health. In many cases the STANDARD 100 go beyond national and international requirements. This means Errea clothing is free of harmful chemicals which makes the final garment hypoallergenic.