Take the ever-popular insulated Override Jacket and remove the sleeves, add in our new eFire system and you get a heated mid-layer vest that’ll add warmth to any shell. With the addition of heated technology for colder days, the Override Vest eFire features two vertical heat panels on the upper chest and one horizontal panel on the upper back for added warmth. The heating element includes three heat modes – low, medium and high – with long-lasting heating filaments powered by a USB-C charged battery inside the vest’s dedicated battery pouch pocket.High performance breathable mid layerIdeal for layering under GORE-TEX shell20D ripstop nylon shell fabric is lightweight, breathable3M™ Thinsulate™ insulationStretch fabric chassis for comfort and mobilityDWR treatment for shedding waterBreathable moisture wicking lining3M™ Scotchlite™ Carbon Black reflectiveLightweight insulation is highly compressible, hypoallergenic, highly water resistant for warmth when wet2 Zip hand pockets1 Zip chest pocketInner zipper draft flapLow profile adjustable bottom hemZipper garage for next-to-skin comfortComfort liningYKK® zippersHeat panels on chest & back (2 upper chest (1 on each side) and 1 horizontal on the mid-upper back)Lighted touch button control on upper right chest (out of the way of backpacks straps, easy to access)3 Heat modes: high/medium/low (and off)Up to 8 hours on low heat (green light)Up to 3.5 hours on medium heat (blue light)Up to 2.5 hours on high heat (red light)Red-blue-green heat level lighting codeUSB-C battery with LED battery life indicatorUSB-C cable includedWasher & dryer safe (with battery removed)Dedicated battery pocketReplacement batteries available