The Solarweave Floater by Broner is 100% cotton Solarweave floatable hat that offers extra sun protection. Two metal eyelets on each side. Flat top crown and 3" brim that snaps up on both sides. Brim is made with foam so the hat will float! UPF 50 tested to block out the sun’s harmful rays. Lined with a CoolMax® sweatband that keeps you cool by moving away moisture from your skin. Adjustable shoelace style chin cord.