This high performance technical base layer is made from 88 polymicro 12 spandex and is breathable easy care non iron and antibacterial it has a heat debossed calvin klein golf logo on the left sleeve using calvin klein perforemance technology coolyou will stay cool and comfortable in this breathable fabric dryhigh performance fabric works hard to wick moisture away from the body keeping you dry non ironeasy care features a non iron technology a must have feature for the mod