The Core vest liner is nothing more than a simple thin nylon liner that is solely intended as a base layer. With its ultra sleek fit and feel it is the ideal heated layer to add to your weather combating arsenal. When applied just outside a t-shirt then layered over the top of, this liner will keep your core temperature at a cozy level even when it is freezing out. The Core Heat liner will keep you toasty with its 4 panel heat system located on both sides of your chest, upper and lower back. It's awesome!
|Heating Technology||Core Heat Transfer System™|
|Power Source||7V 2.2Ah lithium-ion battery|
|Approximate heat output and duration|
|Unisex Vest Sizing|
|Chest||31 - 34||35 - 38||39 - 44||45 - 50|
|XSmall||Small / Medium||Large / XLarge||XXLarge|