Our product line has been granted a STANDARD 100 certification by OEKO-TEX®. Every product that carries this designation has been tested to ensure that no harmful substances have been found in any of the components of the garment. This includes fabric, zippers, sewing thread, insulation, buttons, etc. We are committed to protecting the land that we love, and our STANDARD 100 by OEKO-TEX® certification helps us to ensure that we are minimizing our environmental footprint.Skhoop