I bought this hat in what was supposed to be a size medium. The hat was way too small for me in the skull area of the hat. I bought a similar hat from Eddie Bauer in a size medium and it fit perfectly. I sent 2 emails (one thru Amazon and one from the seller's site) to the seller and they never responded. I would recommend not buying from this seller Essential Apparel since they do not reply to emails from me and when I checked online - many other people complained about their lack of replys from this seller also.