Staying Warm.....Thermal comfort is achieved by balancing three factors:
rate of heat production by your body
insulation value of your clothing
Of those three‚ it’s easiest to alter the insulation value of your clothing. To do this we need to understand how‚ exactly‚ insulations work.
Insulations work in two ways: first‚ by trapping air. The more air trapped‚ the more efficient the insulation. Second‚‚ by reflecting back the body’s radiant heat.
Cotton will not trap heat. That is why cotton is the choice of summer clothing. It breathes, aka lets the cold in and the warmth of your body out. Burrr!
Feathers are great insulators only bulky and difficult to clean, aka down jackets.
Thinsulate fibers, however, provides 1.5 times more heat than down, is breathable and can be machine washed or dry-cleaned. Further, Thinsulate fibers are about ten times smaller than the fibers of most other synthetic insulations‚ which means they’re much more efficient at trapping air…and more effective at keeping you warm. It also means it can pack more fibers into the same space‚ where they can reflect back more of the body’s radiant heat.
The fibers in polyester are much bulkier, and not nearly as efficient at trapping air or reflecting back body heat.
There is a reason "real" outdoor jackets are made of Thinsulate and not just polyester. They simply do not work, unless your version of keeping warm is a mild Fall day.
I see the jacket you picked out is very pretty, thus the draw to buy it. But it is not very pretty to pay a pretty penny for something that doesn't work. Check out other stores for attractive, and FUNCTIONAL, jackets.
Because, frankly, in the end you'll not end of looking good, just like a fool to pay good money for superficial junk. In this instance, you are paying a great deal of money for a name brand. Go to Target or Walmart for jackets made of the same material, just less money as they are not flashy name brands.
Hope this helps!
Online and lifetime of experience.................