Description of Outdoor Research Halcyon Sombrero This sombrero style hat provides ultimate shade from the sun and protection in case of an unexpected squall. You’ll stay comfortably dry in the humidity thanks to the Schoeller® 3XDRY® fabric. Snaps allow the brim to be attached to the dome when the sun ducks behind the clouds. Features: Water-resistant/breathable Schoeller® 3XDRY® fabric TransAction™ headband for comfort and moisture management External drawcord adjustment Snaps on brim and dome Removable chin cord with cordlock Avg. weight: 3.4 oz./96 g (size L)