Milwaukee's Heated Hoodie Only M12 - Battery Not Included - Red, Small Cotton Brand new - box has been open Up to 6 hours of run-time with M12 REDLITHIUM 2.0 Ah Compact Battery Pack (not included) Reducing the need for bulky layers, products utilize carbon fiber heating elements to generate and trap heat across core body areas Adjustable heat technology allows users to adapt to changing conditions by increasing or decreasing the heat level with the touch of a button Durable cotton exterior with a waffle weave interior lining to trap the heat generated from carbon fiber elements and drastically improve warmth and comfort when compared to a standard hoodie or mid-layer. Durable utility pockets with reinforced edges to protect from abrasion. A range of proprietary material solutions drastically outperform traditional work wear with materials made to be stronger, lighter, and more flexible than what exists today. Washer and dryer safe. This kit comes with one heated hoodie, and an M12 charger.