Duck Camp Men's Mallard Adjustable Hat - I mean, who doesn't love a fat Mallard? This one speaks for itself. Let it speak to you. On your head. Polyester shell fabric keeps this hat looking good season after season; 5-panel structure; Adjustable snapback; Cap sizing: max size of snapback hat is approximately 23 1/2in circumference with a 5in crown; 100% cotton rope; 100% polyester shell; Style: GH3703;