The Coastline long sleeve performance fishing shirt features our Secure Button Attachment System where fabric is threaded thru the button instead of individually sewn on resulting in more secure button attachments, front flap pocket with a hidden zipper and snap closures and fly rod & utility loop made specifically with your comfort in mind. It’s not only lightweight and refreshing but it also blocks 98+% of the sun’s harmful UV rays. It’s guaranteed to keep you cool; with its rear air vents to keep the breeze flowing in and the heat flowing out.