Designed to be super lightweight, flexible, and breathable, POLAR SEAL tops come in a range of colors and sizes in distinct MENs and WOMENs cuts. POLAR SEAL can give you heat for up to 8 hours, which means you can go a full day in the cold without feeling chilly.
You can activate heating in your lower back and upper back separately or simultaneously to fit your needs and comfort. Their color coded heating zone button allows you to adjust zone settings easily. on the button controls, adjust the heating to the temperature level that feels best. POLAR SEAL’s color coded temperature control buttons allow you to tell what heating level you are on at a glance, and make adjustments in seconds.