Pinewood Ultra Body-heat Vest

"Experience unsurpassed warmth and comfort with the sporty unisexheating vest from Pinewood, which is equipped with the innovative Ultra BodyHeat technology. This technology enables up to 25% more heat retention by using silver dots in the lining fabric to optimally reflect your body heat. The vest is equipped with four soft infraredheating panels strategically placed on the back, shoulders and front pockets to keep the most sensitive areas warm. The extra low collar ensures that you can easily wear a scarf without it getting in the way."
"The heating vest offers three different heating levels that can be set at the touch of a buttonu00f6nnen: low (32-37u00b0C), medium (38-43u00b0C) and high (44-52u00b0C). These functions make the vest a versatile companion, whether for hiking or everyday use. It can also be worn as a warming layer without the heating function activated. For maximum efficiency, the vest should be worn as close to the body as possible, ideally directly over an undershirt."
"The power supply is provided by a power bank that is stowed in the left pocket (not included). A power bank with at least 10,000 mAh and a USB output of 2.4A at 5V is recommended to achieve an operating time of up to 9 hours. Please note that people with pacemakers or similar devices should consult their doctor before use"