Trendy Apparel Shop XXL Oversize Large Brim 100% Cotton Outdoor Boonie Hat. 100% Cotton. Big sized outdoor boonie bucket hat for those with big head sizes. 2 small air vents are placed on both sides of crown. Brim measures around 3 inches wide, flexible, crushable and packable material. Featured with an adjustable chin strap for a secure fit during your activities. 2 big sizes available; 2XL and 3XL.