The Fieldsheer Bluetooth enabled 7.4-volt Men’s Alpine Heated Jacket is one of our original designs that’s been perfected over the years. The Alpine is ready for some of the harshest conditions—rain, wind, cold—all the above. Stay dry with our windproof and water-resistant Windshark fabric technology. Look to this highly breathable, lightweight Heated Jacket to provide a water- and wind-resistant experience. Through the free MW Connect app, you can quickly toggle through all connected Fieldsheer powered by Mobile Warming technology garments and adjust individual heat levels to your liking. MW Connect app allows you to get real-time updates on battery levels and update your garments when new firmware becomes available. The Alpine BT Heated Jacket is ready for any weather.