This product has been tested against a list of over 350 harmful substances according to STANDARD 100 by OEKO-TEX® [certified #11.HUS.91085 Hohenstein]|Imported|Regular Cuff; A traditional Barrel cuff fastened by a single button closure|STANDARD 100 by OEKO-TEX® certified. Tested in an independent lab and verified to be safe from harmful substances 11.HUS.91085 HOHENSTEIN HTTI|Performance Stretch; Fabric stretches and moves with you for extra comfort|Shorter length for a casual look|Button-Down Collar; More relaxed & casual collar; appears neat with or without neckwear so you can dress it up or down