Fulfilled by our friends at Gobi Heat

The Men’s Basecamp heated base layer shirt will keep you warm, dry throughout all of your winter activities while allowing you total control over your own heat. It’s integrated heating system uses conductive-thread technology, powered by an industry-leading 10,000 mAh Lithium Polymer battery. This combination gives you up to 8-hours of heat at your fingertips.

The Basecamp shirt is designed with to perform as that first layer, with a next-to-skin fit that allows you to add layers on top.  Its intuitive 3-Bar LED controller gives you easy one touch control. Low, Medium and High settings allow you to customize your heat level. There's even a heat zone in the neck to relax away your tension!

Available in five men's sizes.