Armycrew Big Size Oversized Microfiber Reversible Bucket Hat. 100% Polyester. Oversized microfiber polyester bucket hat for those men with big head sizes. Reversible to different color. Easily packable and crushable, 2 small air vents placed on both sides of hat. Lightweight, thin, soft and cool material. 2 big sizes available; XL-2XL and 2XL-3XL.