Description of Outdoor Research Coastal Sombrero Lightweight and breathable, but armed with complete stormproof protection, the Coastal Sombrero™ is at home in warm, wet climates. With a crown and headband designed to pull moisture away from your head, you’ll stay cool and dry on the wettest summer days. Features: Waterproof/breathable 40D GORE-TEX® Paclite® fabric, seam taped Foam-stiffened brim floats Flexible, circumferential piping along brim edge for wind resistance Coolmax® mesh-lined crown and TransAction™ headband for comfort and moisture management Vent at back of crown for ventilation Reflective piping on vent for visibility External drawcord adjustment Removable chin cord with cordlock Avg. Weight (oz./g): 3.1 / 88