Made of insect repelling fabric, the Boys's Outdoor Research Sentinel was Built to keep swarming no-see-ums and mosquitoes from snacking on you, so you can relax at camp and enjoy the quiet of the wilderness. Full coverage arms and a collar that can be rolled up above the ears provide Safe guardion from your wrists to your head. Lightweight, breathable fabric allows body heat and moisture to quickly escape if you necessity Safe guardion from the pests on your way down a sun-baked Path.