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The Fieldsheer Mobile Warming Men's Thermick Heated Base Layer Shirt features a comfortable thermal fabric with two +heat zones on the back to deliver all day warmth. Powered by the rechargeable 7.4v Powersheer lithium-ion battery. 4 selectable heat settings can be controlled by the integrated touch button. Sweatsheer mesh liner wicks moisture to improve comfort during all activities. Rib knit cuffs and waist plus in-seam thumb holes on cuffs.
FEATURES:
Mobile Warming Heating Technology offers multiple levels of heat control and uses ultra-fine fiber elements that are powered by lightweight, rechargable, lithium ion batteries
Multi-zone heat zones: two on back
Sweatsheer moisture wicking mesh liner
In-seam thumb holes on cuffs
4 selectable heat settings with integrated touch control button
Rib knit cuffs and waist
7.4volt rechargeable lithium-ion battery
Up to 10 hours of heat per charge
Universal USB charging port and USB charging cable