TechNiche's Air Activated Heating vests with HEAT PAX body warmers deliver a total of 16 hours of warmth.

They are an effective defense against the cold. Heating can be suspended at any time by resealing the inserts in an airtight container or plastic bag.

•High collar w/zipper closure and two zippered pockets; ideal for a wide range of cold weather applications
•Soft, durable, water repellant upper body softshell fabric w/ poly-fleece lower body fabric w/black cotton-poly elastic trim, and a total of eight (8) built-in Body Warmer pockets four (4) front, and four (4) back for total body comfort
•Include eight (8) HEAT PAXTM Body Warmers (5540) for up to 16 hours of warming relief for your body

Available in three colors: Royal Blue/Black(shown), Black(shown), Khaki/Black.
Available in sizes small to 3XL.