e4Hats is a leading online provider of big size hats including ball caps ivy hats and bucket hats and others available in sizes that fit up to 3XL. Those people with big sized head no longer have to worry about looking for a right hat for themselves and they now can find the perfect over sized hats from our big size selection.e4Hats is a leading online provider of big size hats including ball caps ivy hats and bucket hats and others available in sizes that fit up to 3XL. Those people with big sized head no longer have to worry about looking for a right hat for themselves and they now can find the perfect over sized hats from our big size selection.