YOUDirect UV Protection Double Color Hat, Wide-Brim Camouflage Summer Fishing Hat Outdoor Sun Protection Bucket Hat Breathable Packable Boonie Cap Safari Fishing Boating Hunting Hiking (Blue) Material: polyester, new unique double color hat. 50% of SPF, waterproof material suitable for the outdoor activities. Adjustable chin cord for sizing comfort and windy condition. Ventilation side holes for good breathability. Perfect for outdoor activities and sports. fishing/hunting/beach/hiking.