OEKO-TEX® Standard 100 is the gold standard for making sure the clothes you wear are safe to be in contact with your skin. This organization certifies that no harmful substances such as PFAS (per- and polyfluoroalkyl substances) or PFCs (perfluorinated chemicals) were used from the beginning to the end of the fabric producing process. These products have a certification of at least Class II, which means they are guaranteed safe to be in contact with the skin. Some of our products also have a Class I certification which is even safe for sensitive babies to wear. Class I products are also tested for chemicals that could potentially harm the environment.