Wythe Aertex Half Zip Shirt - UnbleachedMeet Aertex originally marketed as the world's first performance fabric, developed for the British Military back during WWII. The open weave airiness paired with the innate structure of the fabric makes this an easy choice for a warm weather shirt it's essentially a woven cotton mesh. Wythe recreated this fabric with one of their partnering mills in Japan, where they often find themselves looking if they are trying to revive old military cloth. A half