The unisex Stockholm Half Zip bears the STANDARD 100 by OEKO-TEX® label sewn in the back neck. One of the world's best-known labels for textile safety and customer confidence, STANDARD 100 by OEKO-TEX® products signify rigorous testing and are certified free of harmful substances. Prewashed fabric is soft and stabilized for easy wash and wear, the rib at the sleeve cuff and hem provide great stretch retention. Genuine YKK METALUXE® zipper is anti-static and anti-scratch and there is twill neck tape and tear away label for increased comfort. Made from a 65% polyester / 35% cotton blend with an anti-pill finish.