The SPOR tank top is made from fabric containing Lyocell, a cellulosic fiber made of wood pulp obtained from sustainable forests. Partially eco-friendly, drirelease® Lyocell ensures long-term fabric performance and maintains its softness after wash. It has moisture-wicking and fast drying properties, which minimizes odours and maximizes comfort and has a UPF rating 30+. This tank top is perfect for a hot summer day or a long day in the woods. These features make this top versatile, great for travel and various outdoor activities.