In some countries, and then further into some parts of these countries, there are extreme summers when the temperature is 48-50 degree Celsius and even higher in the countries which are near the equator. Talk about the African nations, it is so hot over there that one feels drowsy, tired, depressed and a loss of all energy to do even their day to day work. It is just like that with winters, you know when there are extreme winters, one is just so unable to do his routine work, as this cold and all the heavy clothes makes it so difficult for them to even move.
There are some times its so cold that one cannot even afford to go out of the house or crawl out from under their quilt. In summer, this is the case, that it is so hot that skin sensitive people get very bad sunburns or heatstroke, but now there is a solution by which one can keep them cool and that is the Cool Vest. They are becoming very popular and due to advancements, they have become light in weight which has made them burden free. So, you too can buy Cool Vests to keep your summers cool and free of sweat.