White Outdoor Sun Hat, Adjustable Size w/ Chin Strap, - Fishing, Hiking, Boating 100% Polyester Versatile performance designed white sun hat - great sun protection when fishing, hiking, boating etc Chin strap has toggle slide to secure hat in heavy winds Navy blue trims edges and layers under side of 3.5 inch wide brim Inner elastic drawstring with toggle is used to adjust size for the perfect snug fit Durable polyester design. Machine wash in cold water on gentle. Tumble dry using low heat