90% Polyester, 10% Spandex Imported Button Placket closure Machine Wash UPF 50+ - blocks 98% of UVA/UVB rays FABRIC: Active Athlon fabric is engineered for cutting-edge performance and comfort, including our exclusive Cooltect technology that accelerates moisture wicking for a cooler workout and helps keep the fabric fresh; Soft, lightweight, breathable, moisture wicking and quick dry to keep you active all day FEATURES: 4 button placket with straight hem and side vents; 25 inch body length (size medium); Machine wash, tumble dry; Imported RECOMMENDED FOR: when you want to keep your cool and stay UPF 50+ sun protected while picking up the pace outdoors NOT RECOMMENDED FOR: swimming, not chlorine and salt water resistant or water repellent