A super soft slim fit warming 1st layer for cold days or used as a sun protective 1st layer with 30-50 UPF UV-protection. Made from recycled polyester and bamboo charcoal, this technical psweater (mainly thanks to the material bamboo) has natural anti-odor properties and is also antibacterial. In addition, the bamboo prevents the polo shirt from becoming lumpy. A durable and simple choice for the conscious golfer. Unsure of what size to choose? Take a look at the size chart for this product.