The KÜHL W'S WUNDERER™ SS SHIRT is cut from a soft, durable 100% nylon with UPF 50 for sun protection. Superfine, breathable KONCEALER™ on side panels and under arms provides ventilation. The WUNDERER features a button front and 2 zippered side pockets for secure storage. Contrast fabric at collar and cuffs adds style. Perfect for hiking and travel, the WUNDERER is lightweight, quick dry and easy care, wash and wear.