Battery Heated Base Layer

Battery Heated Base Layer

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WarmGear™ Battery Heated Base Layer - Unisex Sizing

Feather light design and comfortable fit - you might forget you’re wearing a base layer!

Our very soft Battery-Heated Base Layer provides immediate warmth as needed. Wear it underneath your clothing or jacket and enjoy your winter adventures. Our heated undershirt is perfect layer while Skiing, Snowboarding, Golfing, Playing Outdoor Sports, Hiking, Trekking, Working Outdoors, Fishing, or just leisurely walks in the park. You can select from 3 different temperature settings for your ultimate comfort.

Our Thermal Base Layer Shirt provides maximum thermal protection as well as moisture management to keep you warm and dry. Constructed with synthetic poly-spandex, moisture is wicked away from your body to improve dry time. The heating system uses flexible hair-thin micro alloy fibers which are virtually undetectable until you turn on the heat and begin to feel the comforting warmth throughout your body.

Our winter sports clothing features the latest in battery and heating technology to enable you to create your own personal micro-climate because nothing should come between you and your passion – not even Mother Nature. The thermal base layer shirt features a rechargeable battery that provides up to five (5) hours of warmth.

Going on a long road trip? Not a problem, our optional 12v Auto Charger plugs into your car's cigarette lighter to charge your Battery-Heated Base Layer while you drive to your outdoor adventure.

Tri-Zone Heating Areas
The base layer is equipped with three heating zones to keep your entire core warm. There is heating panel across the abdomen and two heating panels on the back to help promote blood circulation to your entire body.

Xtreme Comfort Technology Fabric
The Xtreme Comfort Technology Fabric eliminates bulky insulation and coils which impede mobility, and replaced them with hair-thin, micro fibers allowing for a more flexible range of motion without the heavy layers.


  • High Capacity Lithium Battery with Digital Control (7.4V 2000mAh)
  • 2 - 5+ Hours of Heating Time
  • High-Medium-Low 3 settings
  • Wind proof materials
  • Tri-Zone Heating Area
  • Built-in temperature controller
  • Global Recharger (100-240V input) included for quick recharge
Softshell Layer:
  • Wind-Blocking Soft-Shell with a Polyester interior lining
  • Breathable Polyester / Spandex
  • Ultra Soft and Light Heating Elements
  • Hand Washable
  • Color: Black
  • Available in five unisex sizes: XS / S/ M / L / XL (see sizing chart)
Contents in Box:
  • 1 Lightweight Heated Base Layer
  • 1 Lithium-Ion Battery with Temperature Controller
  • 1 Lithium-Ion Battery Charger
  • Operating Instructions
Temperature and Duration Settings**
Settings Average Temp F° Approximate
Duration Range
Setting 1- Low, Green 100.4º 5 hours
Setting 2 - Medium, Orange *** 111.2º 3.5 hours
Setting 3 - High, Red 131º 2 hours

** Heated clothing has a preheat feature: When first turned on and set to red (highest setting), the controller will automatically switch to the lowest setting after 15 minutes. At that point, you may switch to the setting you prefer.

*** The Medium setting is the most common setting.

Heating time based on estimates and may vary due to environmental & battery conditions.

Fabric & Materials are warranted from factory defect for 1 Year
The electrical components of this product, the battery(ies) and charger are warranted from factory defect for 6 months from the date of the initial purchase.

Rechargeable Battery System Care to Extend the Life of Lithium-Ion Batteries:

WARNING: Do not use battery if you notice a change of shape (lumps), over-heat when charging or if rust or corrosion on the battery connectors is found.

  • Fully charge Lithium-Ion batteries before beginning to use the battery. Failure to charge battery prior to use will reduce battery life.
  • Keep Lithium-Ion batteries fully charged when not in use.
  • CHARGE BATTERY REGULARLY. Charge between each use and a minimum of once every few months. It is important to maintain at least 25% of your battery power when not in use. Failure to do this will result in performance problems and reduced battery life. Never leave Lithium-Ion batteries discharged for long. The batteries do self-discharge and the charge could drop low enough to damage the battery.
  • Avoid regularly running Lithium-Ion batteries completely dead.
  • The battery life is 300+ cycles before the battery will diminish in capacity output.
  • Lithium batteries provide a diminished capacity output at extreme cold temperatures - keep batteries inside the garment to minimize the impact and improve the performance.
  • Store Lithium-Ion batteries in a cool, dry place if you will not be using the battery for several weeks.
  • Keep Lithium-Ion batteries out of extreme temperatures. High temperatures may cause premature battery failure while lower temperatures can prevent batteries from fully charging.

Frequently Asked Questions

Where does the heat come from?
The constant, relaxing warmth comes from the stealth micro-alloy fiber heating elements placed on the back area.

What kind of battery does the base layer use?
The base layer draws power from a rechargeable Lithium-Ion battery.

How long does the battery last?
Depending on settings, the battery lasts up to 5+ hours. You can purchase an additional battery pack for uninterrupted warmth.

What is the fabric used to construct the base layer?
The heated base layer is a Wind-Blocking Soft-Shell with a Polyester interior lining. The fabric is soft to the touch and won't irritate or trigger any allergies.

Is the base layer weather-resistant?
Yes, the soft-shell base layer protects you from light drizzle, precipitation and snowfall.

Does it have warranty?
Yes. The base layer is covered by a 12-month warranty while the power pack (battery, charger) is protected by a 6-month warranty period.

Can I use the heated base layer for winter sports and activities?
Yes, the technical soft-shell base layer is made to endure tough sporting especially when the weather is cold. You can use it while riding a snowmobile, snowboarding or skiing, or even while just taking a walk or lounging around. The base layer is made of comfortable fabric to maximize function and ease.

How do I clean the heated base layer?
It is best to hand-wash the heated base layer for maximum performance. Do not wring. Remember to unplug and take out the battery before washing the heated base layer.


Unisex Sizing
Heated Base Layer † (Inches)
Size Chest Waist Length
XSmall 36" 36" 27.25"
Small 38" 38" 28.25"
Medium 40" 40" 29.25"
Large 42" 42" 30.25"
XLarge 44" 44" 31.25"
This size guide is for suggestion only.
Auto Charger 600 for WarmGear Batteries
Price: $19.95
Auto adapter to charge our battery heated products that use 602 or 604 batteries.
Spare Battery 604 for Heated Clothing
Sale Price: $39.95
Need a spare battery? We have replacement and extra batteries that will extend total warming time.

Customer Reviews

Haven't used it yet. Rat...
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Verified by: Shopper Approved Linda D — FL, US

Battery Heated Base Layer
Haven't used it yet. Rated on customer service
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Verified by: Shopper Approved Linda Dukes — FL, US

Performs exactly as advertised
1 of 1 customers found this helpful.
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Verified by: Shopper Approved — NY, US

Christmas gift so we won't know how product is until they open it.
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Verified by: Shopper Approved Larry Meyers — WI, US

My wife loves this. Keeps her warm outside and when she is sleeping.
1 of 1 customers found this helpful.
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Verified by: Shopper Approved Duane Pfeil — MI, USA

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