You'll appreciate the Ex Officio Men's BugsAway Halo Check when everyone around you is getting eaten by mosquitoes. Insect Shield repellent keeps those bloodsuckers off your skin for multiple years. The Halo also wicks moisture, dries quickly, and shields your skin from the sun's harmful UV rays. The Vertebrae Ventilation System utilizes a mesh lining down the entire back for maximum airflow, and roll up sleeves accommodate warmer weather. A hidden security pocket at the chest protects your valuables.