Mobile Warming Men's Heated Long Sleeve Quarter Zip Merino Wool Base Layer Shirt Black Medium

As part of the Performance Series, these Mobile Warming Men's Merino Heated Baselayer Shirt is powered by a rechargeable Lithium-Ion battery, which delivers up to 10 hours of effective heating comfort supported by a universal USB charging port. Designed for versatility, wear this as a base layer to deliver unparalleled levels of warmth and core comfort. It also doubles as a shirt, and its naturally breathable merino-knit is ideal for fall or spring hunts, hikes, or any favorite outdoor activity.