FibreGuard is labelled ‘STANDARD 100 by OEKO-TEX®’. This means that the fabric is completely free from harmful chemicals and safe for human use. All factors of the fabric production comes into scrutiny and this includes the dye used, the threads used to sewn on the fabric, the lining used, any print patterns, and accessories such as tassels and buttons. Introduced in 1992, the ‘STANDARD 100 by OEKO-TEX®’ is a worldwide standard of which fabrics are tested and judged free of harmful levels of more than 100 substances known to be harmful to human health.