Vest is very good quality and performs as advertised.
I was hesitant to order, so many selections online. I am more than thrilled that I took a chance and ordered Venustas. I have used the vest in this manner??. Turn on high for just a few minutes, then down on low, and after a while when comfortable turn off, the vest does a great job of retaining heat. Once I start getting chilled again, I turn on medium heat for a little while then back to low and alternate back and forth through the day as needed. I usually get 8 hours of use doing this method. I will be buying one for my wife and my 89 year old dad. In fact I think this item would be great to market for senior citizens, my dad Is always feeling cold or chilled. When you order, order one size above what you wear in a jacket.












