The Trek Fleece Heated Vest is a stylish and versatile design, combining soft fleece outshell with powerful 7.4volt Powersheer muti-zone heating system to provide hours of comfort and heat, whether thrown over your favorite shirt or sweater, or used as a base layer under a jacket. Stylish contrast trim zippered front closure and front zippered pockets keep contents secure without sacrificing look. A Moisture wicking inner liner provides added comfort while keeping you dry. Bluetooth control with the MW Connect app is no fuss and convenient way to control temperature and get real-time updates on battery levels, especially when used under a jacket. Whether it's your next outdoor adventure, or the kid's hockey or soccer game, a night out on the town, or weekend in the country, the Trek heated vest for men is there to keep you warm, comfortable and looking good. Vest Features: 4-Way Stretch Soft Shell Fleece Construction Wind-Shark and Waterpell Protection from Wind, Rain, & Water Sweatsheer Moisture-Wicking Mesh Liner Zapsheer Anti-Static Protection Odorsheer Anti-Odor Fabric Zippered Front Pockets Stylish Contrast Trim Full Zippered Front Closure Tri-Zone Heating - Left and Right Chest, Upper Back 4volt Powersheer Lithium-Ion Rechargable Battery 4 Adjustable Heat Settings (90° up to 135°) Integrated Waterproof Touch Control Button Bluetooth-Enabled Wireless Control MW Connect Mobile App Compatible available on App Store or Google Play Store Machine Washable Available in SM, MD, LG, XL, 2XL & 3XL Battery Features: Powersheer Rechargeable Lithium-Ion Battery (7.4V 2200mAh) Up to 10 hours of heat between Charges (2+ hours Hi - 10 hours Low) USB Cable included Charge Time 3-4 hours *Charge time is based off using a USB-A wall charger that delivers 5V@2.1A Includes: (1) Trek Fleeced Heated Vest (1) Powersheer Rechargable Lithium-Ion Battery (7.4v 2200mAh) (1) Micro USB Charging Cable