Here are lightweight, breathable heated tops that keep men and women warm for up to 8 hours. Polar Seal tops come with two heating zones that you can activate with the push of a button. You get 3 heating levels to choose from. A 10,000 mAh battery gives you heat for up to 8 hours.
Polar Seal is compatible with standard USB power banks. It provides you with warmth in seconds. The buttons are shockproof and work with gloves.