Your favorite jacket may be comfortable, but is it warm enough to endure in the cold? Get the best of both worlds when you layer your favorite jacket under the Mobile Warming MWMV2501 heated vest. Beneath its classic design lies a 4-way stretch soft shell construction and durable 450D Carbolex polyester twill outer shell that can handle anything nature throws your way. Plus, its DWR water-repellent finish and quilted interior liner with 3M Thinsulate insulation keep you warm and dry. What sets the UTW Pro heated vest warmer than your regular vest is its cutting-edge multi-zone heating system that provides instant warmth for hours. Powered by a 7.4-volt Powersheer™ Mini rechargeable battery, it features heat elements on the chest and lower back, offering four adjustable heat levels. Adjusting the heat level is effortlessly convenient with the built-in touch control button or Bluetooth-enabled wireless control via the MW Connect™ app. Aside from superior warmth, the UTW Pro heated vest also features stretch sides for added comfort and easy layering, and an interior medical information tag for emergency purposes. Conquer the freezing cold by layering the Mobile Warming MWMV2501 heated vest over your jacket. Get this 7.4V heating vest today! Item includes: (1) UTW Pro heated vest (1) Powersheer™ Mini rechargeable lithium-ion battery (7.4V 2250mAh) (1) USB-C charging cable Vest features: 4-way stretch Soft Shell construction 450D Carbolex Polyester Twill outer shell DWR water repellent finish Quilted interior liner with 150g of 3M Thinsulate insulation Stretch sides Zapsheer® Anti Static liner YKK heavy duty front zipper Zippered hand pockets Interior Medical Information tag Multi-zone heating system - 2x chest & lower back 7.4-volt Powersheer mini® rechargeable lithium-ion battery 4 adjustable heat settings (90° up to 135°) Integrated waterproof touch control button Bluetooth®-enabled wireless control MW Connect™ mobile app available on App Store® or Google Play Store® Machine washable Colors: black Sizes: S - 4XL Battery features: Powersheer™ Mini rechargeable Lithium-Ion battery (7.4V 2250mah) Up to 9 hours of power per charge (2+ hours hi - 9 hours low) USB-C charging port USB-C cable included Charge time: 3+ hours Charge time is based off using a USB-A wall charger that delivers 5V@1.2A Need a battery replacement for the Mobile Warming MWMV2501 heated vest? Check out these compatible batteries for the vest: 7.4-volt Powersheer™ XL MWCB74V20 rechargeable battery & cable set (7.4V 4000mAh) 7.4-volt Powersheer™ MWCB74V21 standard rechargeable battery & cable set (7.4V 2200mAh) 7.4-volt Powersheer™ Mini MW74V023 rechargeable battery & cable set (7.4V 2250mAh).