Want to feel good about what you're wearing(SM) This half-zip is made from recycled polyester AND it looks great. The convertible collar gives you two different ways to wear it. Shaped seams and a dropped back hem on the women's styling for a great fit. It also has moisture-wicking, snag-resistant, wash-and-wear fabric with UPF 40+ protection (light colors UPF 15-24) and an anti-microbial finish to keep you feeling fresh.