They keep you warm, which in posh language is a thermal property.
Thermal underwear is called "thermal" because it keeps the wearer warm. It is called "underwear" because you wear other clothes over it.
Thermal Underwear
Thermal underwear for women can be purchased at a number of retail stores. Some stores that sell thermal underwear for women include Kohl's, Macy's, Target, and Walmart.
If someone wished to purchase silk thermal underwear, they could do so at LL Bean and Kohls. Also, someone can purchase silk thermal underwear on Amazon website.
I think the best place to buy thermal underwear for your money is Wal-Mart. I have purchased thermal underwear from Wal-Mart and it is good quality and inexpensive.
Going to Russia would definitely require you to buy some thermal underwear. There are many online shops that sell thermal underwear for a good price such as jockey and walmart.
It sounds funny but yes thermal underwear for women does exist. You can find them at amazon.com if you are planning to buy for your own or for someone else.
Naval terminology for underwear. Most people I know use the term to refer to thermal underwear.
it was invented in the 1940 by James Morgan
to keep your bum warm. XD
There are several places where one could get Thermal Underwear for men for a discount with vouchers. Some examples include "HalfDiscount", "HaldOffDepot" and "TechBargains".
You can purchase ladies thermal underwear on wholesale websites such as Amazon. A dedicated agent will be happy to help you find more information on their official website.