Castelli Sottile Due Jacket

This is the strangest piece of cycling equipment I own right now.Pros:- fits as expected (so this is basically one size down from US sizes)- stops the wind- extremely lightCons:- the worst designed neck area sleeve for the zipper that I've ever seen, neither my wife nor I were able to completely close the zipper even holding the sleeve and trying to keep it away from being caught by the zipper; luckily my wife managed to just remove that whole useless piece of fabric and the zipper works perfectly now, conclusion: nobody at Castelli actually tries their jackets before selling them- it's a sauna inside! if you think jackets in general will make it a bit steamy inside and that's expected (like I thought) you will be surprised just how much humidity this jacket keeps under it, after 30 minutes of riding with it, when I took it off it started dripping sweat like I just washed it or something, it's unbelievable; that said, while riding I don't feel uncomfortable warm like with other jackets so other than getting your jersey completely wet on the inside this isn't a big deal I guess

The fit is great but my husband reports he gets kind of sweaty in it.

The jacket is a little tight to get on in the shoulder area but other than that it is what I expected.

Look and fit nice, but not breathable at all. It's a sweat trap. My arms get soak with sweat from medium effort.Haven't tested in the rain, but hold moisture too much to be using it just for cool weather.

Buy a size up and it will fit OK, glad a read other reviews and did just that. Every cycling jersey I have is a large. Bought this in extra large and its a good fit.

Lightweight, breathable, transparent, packs easily into my jersey pocket. Can't ask for much more than that.

After 3 times using it breaking a part, the only good thing is that is very light

Good jacket, sticky zipper at the top.