... Softshell Workwear, water resistant, keeping warm safely and easily, 2nd generation new technoly Men's Cordless Heated Jacket, ... Workwear, Water resistant, Keeping warm safely and easily, Built-in 2nd generation heating system.- Shell: 95% polyester 5% spandex ... Technology - 2nd generation built-in heating system (patent): - carbon fiber heating zone at centerback, right chest and left chest - ...