HAOLEIHeated Vest for Men,Heated Jacket Washable,Heated Winter Coat in Black/Blue,USB Charging Electric Body Warmer,Heating Gilet with 5/8/11/15 Heating Zones for Outdoor Sports(No Power Bank)

Great idea and super warmth. You possibly get what you pay for though. Within a day the battery pocket zip failed. I only mention this because I did have a previous gilet from the same manufacturer that just stopped working after a few months. The sizing grades really need to be sorted out too.

I ordered xxl I'm a xl normally

Bought thinking it wouldn’t do the job but does it very well as I work in a cold lab