When it comes to outerwear in the summer, some just dismiss the idea altogether. But don't sleep on the clutch of a lightweight jacket on a chilly summer evening or a freak shower. Another great thing about copping a new layering number around this time of the year is that most jackets are on sale, so you won't have to reach deep in your pockets. We've rounded up some of the coolest options available now. Click through to see our list of The 10 Coolest Summer Jackets Under $200 Available Now.