DryCell - draws sweat away from your skin and helps keep you dry and comfortable during your golf rounds. DriRelease - patented blend of natural and synthetic fibers that move moisture from the skin through the fabric and release it rapidly into the air, helping you stay dry and comfortable. All driRelease benefits are permanent and never topically applied. Freshguard - is a special technology that helps to control odors and keep clothes fresh smelling all day. Material - 81% Recycled Polyester, 14% Organic Cotton, 5% Spandex Jersey.