Volt Heat Mens Softshell/Nylon Golo Vest Heated Coldweather Jacket (Black) Imported 2" high 13" wide Softshell/Nylon Quilted front panel with mini rip-stop nylon shell Polyester softshell fabric wth 8% spandex and fleece lining 3 zone heating with 2 panels in the chest and a large back heat panel Provides up to 170 degrees of soothing heat for 2+ hours on the highest setting