Powered by HEXON Heat Technology™, our Heated Merino Wool Crew Neck Baselayer provides NEXT TO SKIN HEAT with FEWER LAYERS. The Heated Crew Neck Baselayer delivers up to 8 hours of runtime across two heat zones—chest and back—with adjustable settings ranging from high to low. Kitted with the Heated Gear 2.5AH Battery with App Control, it integrates seamlessly with the Heated Gear App and provides a comfortable experience thanks to its ergonomic design. The premium merino wool-polyester blend fabric offers superior stretch, moisture control, odor resistance, and temperature regulation. This base layer offers a balanced fit with a regular cut, neither too tight nor too loose.