To heck with pesky, biting, swarming, buzzing bugs. The Sentinel Brim Het is treated with Insect Shield and helps protect against mosquitos, tikcs, and other biting insects. A wide brim, mesh vents and lightweight UPF 50+ fabric keeps you covered and cool on adventures in hot climates. Features: Fabric Performance: Water-Resistant, Breathable, Lightweight, Wicking, Quick-Drying, TransAction Headband, UPF 50+ & InsectShield Bug Protection Design Features: Dark Fabric Under Brim, Floating Foam-Stiffened Brim, External Breathable Mesh Panels & Emroidered OR Logo Functional Details: One-Handed Drawcord Adjustment, Removable Chin Cord & Packable Fabric: 100% nylon, Mesh netting Weight (oz./g): 2.5oz/72g Avg. Weight for size L Outdoor Research Sentinel Brim Hat