Makita DCV202ZXL 14.4V-18V LXT Li-Ion Heated Jacket/ Body Warmer - XL

The Makita 14.4/18V LXT Heated Vest is the perfect solution to prevent feeling cold when you need to work outside. The vest has three heat zones for the back, chest and neck to keep you warm. The polyester and fleece lining and 2 way zipper makes this incredibly comfortable to wear while you can choose from 3 heat levels.

eBay