The optimal autumn and spring garment. Padded vest with stretch in the sides. Across the chest and back are heat pads that are operated by a powerbank (NB! Powerbank not included). When the powerbank is plugged in you can set the heat to three different levels. Material: Side panels in 88% Polyester and 12% Elastane. Front section in 100% Polyester. Machine washable according to instructions. Using a 10,000 mAh Powerbank (normal USB), the heat will last for the following amount of time. Red setting with maximum heat 4-5 hours. Blue setting, medium level 6-7 hours and finally Green setting which is the lowest level, 8-9 hours.