CONTROL YOUR OWN COMFORT - The power to control heat is only one touch away in a durable built in LED controller. ALL DAY WARMTH AND CONTROL- Conductive thread heating technology and our slim 6700 mAh/7.4 volt battery allow for extended heat during longer day trips. FEEL THE HEAT IN UNDER 30 SECONDS - With powerful 5-zone heating (4 in the front and a large zone in the back), never worry about the cold again. EASY TO USE AND UNDERSTAND SETTINGS 3 illuminated bars clearly show you which level of heat you’ve selected. Additional features include: machine washable, durable duck cotton, cinch bungees, and multiple color options. RELIABLE WARRANTY & CUSTOMER SUPPORT – Designed for quality and durability. Your purchase includes warranty coverage and access to a dedicated customer support team for assistance. The Gobi TOUGH Ibex heated work vest is the go-to vest for durability and versatility. Packed with features that include heavy duty duck cotton, droptail hem, soft ribbed collar and metal zipper. This vest is the perfect work vest for cold workdays. Available in two colors and seven sizes. Features include: 9 hours of heat, heavy duty duck cotton and durable metal zipper, intuitive 3-Bar controller, 6500 mAh battery and charging cable included, and 5 zone conductive thread technology.