Big Hat Store | Big Hats - Oversized Hats - 2XL, 3XL, 4XL Hats, Shop for Big Hats including sizes 2XL, 3XL and 4XL hats (size 7 1/2 to 9)! Huge variety of hats including baseball, golf, fedora, bucket, knit, fleece, cowboy, mesh, safari and other hats. Super comfortable!.