Product details:

The Mobile Warming Ion 1/4 Zip Shirt is built for outdoor activity or everyday use. The Bluetooth enabled Ion heated Women's baselayer is a light weight antibacterial 88% Polyester 12% Spandex with added wicking, designed for maximum comfort, dryness and warmth. The 7.4 Volt FAR-Infrared heating system allows you to select 4 different temperatures either directly or via our MW Connect Smart Phone App. Whether your riding, running, skiing, working outdoors, or just wearing around the house or office the Ion is designed for maximum warmth, comfort and style.ImportedFor best care, Machine Wash Delicate Cold, Hang Dry