Johnny, the back of the hat is mesh. This is what is meant by 'a trucker's hat'. Have a great day!

Gotta love hickok45 though. Definitely my favorite firearms reviewer.

Johnny, this looks to be a mesh and the one on this website looks to be all cloth so I would confirm with Buds Customer Service at 1-859-368-0371 9am-9pm EST Mon-Fri. or use the Blue Chat now button at the bottom right corner 9am to 9pm Mon - Sat and 9am to 7pm Sunday. --- pinterest.com/pin/756112224918688171/

Since buds is the maker of this I can't find any information using the upc or model number. So you would have to contact buds customer service at 859-368-0371 Monday thru Friday 9am to 9pm to find out. We're just customers as yourself not buds employees. Sorry but hope this helps.