Velcro back. So so qualityJust what I was looking for fits great, looks good.The hat has a nice overall design and is well madeOnly hat I’ve ever got a compliment on.Bought this as I wanted a waterproof cap and I am really happy with it.I comes up a little larger around my head than I expected, though it would probably be great for a man. I have not adjusted it, so I could make it tighter that way, and there is loads of adjustment available to make it bigger if required. The depth of the cap is great and really fits my head well.It was not clear from the photos that the adjustment is made using velcro so I was disappointed by this as I do not like this method and I would have preferred this to have been made clear.I was caught out in a torrential downpour when I was walking my dog, and though the rest of me was soaked my head stayed completely dry. Also the cap dried very quickly.It is well made, with strong material and well made seams.Overall I all very happy with the cap and would definitely but another one, though I don't think it will need replacing any time soon.Fits well, keeps the sun off, keeps the rain off and when life gets boring you can do impressions of Quint from Jaws with it on.Great weatherproof cap, along the lines of a Barbour waxed jacket, feels well made and for life. RecommendedPoor fitment and uncomfortable. Buy one from Barbour far better.I already have one of these caps which I like. So I decided to get one in a different colour. The item that arrived did not represent the image shown it even the 'beige' colour on the label. If you want a 'dark brown' cap this is ideal.