Fieldsheer's warmest jacket yet! They start with premium RDS sourced natural duck down and add a high capacity 7.4V Powersheer XL® micro heating system to produce a jacket with superior warmth and comfort, stylish enough to wear everyday, with the added bonus of performance heat when it's needed the most during extreme winter conditions. Part of Fieldsheer's men's heated clothing line, this is Fieldsheer's warmest jacket yet! They start with premium RDS sourced natural duck down and add a high capacity 7.4V Powersheer XL® micro heating system to produce a jacket with superior warmth and comfort, stylish enough to wear everyday, with the added bonus of performance heat when it's needed the most during extreme winter conditions. 5 Heat zones deliver Hrs of warmth and are easily adjusted between 4 temperature settings from the integrated touch control button or from a cell phone using Fieldsheer's innovative bluetooth technology and the MW connect app. Waterpell™ water resistant outershell with keep you dry all day, and if the its late in the day and night is setting in, Fieldsheer's Powersheer XL battery has a built-in flashlight with cell phone charging, in case your phone needs a burst of power. You'll want to use the Crest jacket with removable hood for both casual day trips, or longer excursions in the great outdoors. Battery features Powersheer XL™ rechargeable lithium-ion battery (7.4V 4000mAh), up to 9+ Hrs of power per charge (2+ Hrs Hi - 9+ Hrs Low), USB cable included, charge time 3-4 Hrs.