Fit Guide Adjustable grosgrain snap & clip closure. One size fits most. Benefits Crushable, packable construction. Mesh side paneling is extremely breathable and provides great drainage for in-water use. Soft EVA foam brim is comfortable and flexible. Performance sweatband manages moisture. Details 100% recycled polyester Hand wash. Hang dry. Imported. The Florence Airtex Runner Hat is a 100% recycled, crushable, packable high-output hat built for ultra-running, climbing, ultra-light packing and prone paddling. The AIRTEX mesh is breathable & provides great drainage in the water.