The Bugs Away Halo is Insect Shield Repellent Apparel and features Vertebrae Ventilation to keep you cool. The ultralight nylon is sun protective, wicking and quick-drying so you stay protected and comfortable. 100% Nylon Imported Button closure Snap-front shirt with insect shield technology to repel ticks, ants, flies, chiggers, and midges Breathable with rear ventilation mesh panel Hidden buttoned collar, long sleeves with roll up tabs Two chest pockets with hidden security zip pocket on right Hidden button-down collar