62cm 7 5/8 - 7 3/4 size XL. It will fit smaller heads just fine. Has the Zipper option to remove the padded liner for the ears. This helmet has sat for 5 years. It was bought in southern Oregon for a quad we used to haul water. We had it less then 3 months before the brand new quad rolled off a cliff where it sits today. The helmet has been in storage ever since. There is absolutely no type of smell or signs of ware inside. You can tell by the straps that it hasn’t been cinched at all. Part of the tag is still on the helmet. You can see we paid $69 (haha) for it. There is a few small scratches but you can tell it’s not from a crash or anything like that. I put open box never used but like I said it’s been used a few times.