The Calcutta 4494-0013 performance t-shirts feature a moisture management system that will help keep you cool and comfortable on the water. Made from synthetic fibers, the fabric pulls moisture away from your skin for improved cooling while allowing the garment to quickly dry. 25 UPF sun protection. Features a small Calcutta logo on the front, and a large Calcutta logo on the back. Note: Do not use fabric softeners, bleach, or softener towels when washing. items will decrease garments performance.