The KAoehl Vertikl Shirt features a Suncel and cotton fabric blend for lasting and effective sun protection. Soft and breathable with a handsome drape, this shirt manages moisture and dries fast, so its perfect for travel and casual wear in warm weather.. . . . . Cotton and Suncel fabric for soft, breathable comfort and a handsome drape. Suncel offers sun protection that wont wash out or lose effectiveness when wet or stretched. UPF 30 for protection from harmful UV rays. Suncel made from biodegradable wood pulp manages moisture, dries quickly, and helps regulate skin temperature . Left chest pocket. Hidden security pocket. Easy care, wash and wear .