The sweat activated super cooling wicking headband and mesh design keep you cool on the hottest days.The adjustable chin strap and back closure keep this hat comfortable and secure.Features: Omni-Freeze ZERO™ Omni-Wick™ Hand pockets Back pocket Uses: Water, Hiking Composition:Shell - 100% Recycled PolyesterMesh panel - 88% Polyester, 12% ElastaneOmni-Freeze™ Zero - Sweat-Activated Cooling - Columbia's original sweat-activated cooling technology to keep you cool and dry.Columbia Sun Goddess Booney Hat Vista Blue 456 1888011