Undershirt Heats Up At The Touch Of A Button

Undershirt Heats Up At The Touch Of A Button
Design

The Polar Seal keeps you warm in cold weather without needing to wear multiple layers

Zack Palm
  • 11 august 2017

Staying warm usually means wearing multiple layers to keep the heat sealed in, and even that only lasts for a limited time. For winter sports, bulky layers are less than ideal for performance. Polar Seal proposes just one undershirt to feel warm in the cold. The two thermal pads installed in the Polar Seal shirt heat up in 10 minutes.

On the left sleeve of the Polar Seal, a control panel lets the wearer adjust the amount of heat the two pads give off. One pad is located in the middle of the upper back and the other wraps around the lower back. The wearer can choose to turn on both or only one. The pads have three heat settings set to 104, 113, and 122 degrees Fahrenheit. Each of the settings is associated with a color to make it easy for the wearer to look down and know which setting they have. The control panel continues to work when wet and can be activated through gloves.

The Polar Seal’s heating units are embedded into the material, rather than acting as a detachable piece. This makes it feel like a normal shirt, ideal for outdoor sports. The heating unit stays active for up to eight hours on a single charge. Anyone who wants to remain outside in cold weather longer than that can take along a USB battery bank to keep the undershirt going for longer.

Polar Seal started a Kickstarter campaign for the project and has already surpassed its goal, with 26 days left to go. The heated shirt can still be preordered for a pledge of at least $138. Campaign backers should have the Polar Seal delivered to them in November 2017.

Polar Seal

Staying warm usually means wearing multiple layers to keep the heat sealed in, and even that only lasts for a limited time. For winter sports, bulky layers are less than ideal for performance. Polar Seal proposes just one undershirt to feel warm in the cold. The two thermal pads installed in the Polar Seal shirt heat up in 10 minutes.

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