I live in the humid-ass South and in the summer I am constantly sweating; this includes my head and hair (ewww!) I saw this hat in a store a tried it on, even though i thought it would look stupid. This hat looks great! I mean, it looks normal and not like a silly mesh hat. It is both functional - i get some breathability during the sweaty summers and it actually doesn't look dorky. It even fits comfortably considering I have dreadlocks (a ton of hair)! In terms of summer hats, I'd have to say it's perfect.
I like this hat as a quick and easy backup when its gonna be super hot. It crumples down really small (even the brim is "crumplable"). The seams inside the hat are taped to prevent rubbing. It doesn't fit like a baseball hat as the "head pocket" is rather small, think a running style of hat... I have a large head and the L/XL fits snug and stays put.
After seeing the hat online I was going to buy two but after I bought it and physically saw it I was very dissatisfied. The material is nice but the brim is straight and not moldable, and the fit was terrible. Fortunately I got an accelero hat, which is great and returned the escapa.
This is a killer hat for those looking to have a pack-able lightweight option that you can throw in your pack. the fit is a little odd on my head and so I returned the product. I have a fairly small noggin and usually wear a S/M in flex-fit hats and this S/M was a little big.