ExOfficio Men's BugsAway Halo Long Sleeve Shirt Built-in air vents provide instant cooling and the relaxed fit provides instant comfort. Try all that on for size, any size as the shirt comes in small through double extra large. Bugs won't bug you any longer with ExOfficio Bugsaway Halo men's long-sleeved shirt. Rolled-up sleeves stay in place with handy elbow snaps while your belongings stay secure with two deep front pockets. The super-lightweight, moisture-wicking nylon dries quickly packs tight and comes in light colors with a weave and finish that keep out harmful ultraviolet rays.