Therm-Ic is known for its high-quality electric heated products. The electronics used by the manufacturer are safe, and spare parts are also available. With temperature controls being the result of extensive product development, the package as a whole is excellent. The vest is relatively thin and is designed to fit under an outer jacket. It is easy to recommend for use in situations where regular insulating clothing is not sufficient or is not an option for other reasons. Heated vests are useful for activities such as snowmobiling, ice fishing, or even winter cycling. Note! In addition to this vest, you need to purchase a separate power source/power bank, which requires a USB connection. The power source shown in the product image is not included in the price. - Five heating elements in carefully considered locations (elements are highlighted in the product images with red): on the stomach, back, and kidney area - Thanks to the Bluetooth connection, you can adjust the heating power