Works fine over my Klim Overland Jacket.
The scary Orlando traffic begs for Hi Vis.
Vest folds up and fits in jacket inner pocket when not in use, good thing as it can slide off if you have vest unfastened to have jacket unzipped.
Overall I'm happy with this product.
The price is tolerable. Yes I would buy it again.
Well, I have to say that this was a good investment cause the vest keeps me cool for about three hours. I wear it under a mesh jacket when I use it. I take a garbage bag with me so that I am able to re-soak the vest when it gets a bit dries out.
I bought it big on purpose as I don't like tight clothes.
I was very disappointed in the Iceburg vest. The only time I felt it cool me was when I took it off. I used a mesh jacket, then a long sleeve tee-shirt but neither way did it help cool me.
It may be the fairing of the motorcycle does not let enough air circulation. Bottom line is I wasted my money on it.
I bought this vest for use both on the moto and mountain bike. It does work as advertised as long as there is sufficient air flow. So, it works better during a moto than a slow climb on a mountain bike.
Also, the vest gains considerable weight when soaked and feels "wet" when wearing. This is not a bad tradeoff per se IF the outside temperature is hot.
The other caveat on this vest that took me time to adjust to was that you feel a little "trapped" in it. It doesn't breathe well compared to a jersey for example.
So, if you're willing to accept these shortcomings, you'll be happy. I have used it in hot 90+ degree temperatures and it made riding bearable.