Mobile Warming - App Controlled Women's BaseLite Heated Baselayer Shirt - Arctic Blue
About this product
Built for warmth without the bulk, the Baselite Heated Baselayer Top is your go-to first layer for cold days. With a lightweight crew neck design, soft knit outer shell, and smooth lining, it fits comfortably under any jacket—or stands strong on its own. Flat stitching and in-seam thumbholes provide a clean, secure fit, while 3 heat zones deliver consistent warmth where you need it most.
Size
LFeatures
Classic Base Layer Design with Heat
Light to mid weight base layer construction, easily fits under your favorit jacket and can used at work, home or those weekend outdoor activities.
Crew Neck Design
Versatile pullover crew neck design can easily be worn over a t-shirt or used under a jacket when the weather turns really cold.
4 Adjustable Heat Settings with up to 9 Hours of Heat
Easily adjust temperature directly on the shirt using the integrated touch control button located on the lower front side of the shirt. Up to 9 hours of heat between charges (Up to 2.5 hours on high, Up to 3.5 hours on Med/High, Up to 5 hours on Med/Low, Up to 9 hours on Low) temperatures range from 90-135 degrees.
Powerful Warmth Precisely Delivered
Mobile Warming® Heating Technology uses ultra-thin, flexible heat pads powered by our Powersheer® Mini, a 7.4V lightweight rechargeable battery. Strategically placed throughout the garment, these pads deliver consistent, adjustable warmth at the touch of a button—so you stay comfortable in any condition, without the bulk. 2 heat panels on the chest, 1 panel on the upper back.
Compact Power Built for Warmth
The Powersheer® Mini 7.4v (2250mAh) Battery is our lightweight Lithium-Ion power source designed to maximize lightweight performance. With USB-C charging, an easy-to-read LED battery life indicator, and a compact size, it’s the perfect match for most 7.4v heated garments. For added heat times between charges, upgrade to our Powersheer XL (model MWCB74V04021) high capacity battery, sold separately.
Specifications
- BrandMobile WarmingModel NumberMWWT28570424Product NameApp Controlled Women's BaseLite Heated Baselayer ShirtColorArctic BlueCare And Cleaning InstructionsMachine WashableGenderWomen's
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Built for warmth without the bulk, the Baselite Heated Baselayer Top is your go-to first layer for cold days. With a lightweight crew neck design, soft knit outer shell, and smooth lining, it fits comfortably under any jacket—or stands strong on its own. Flat stitching and in-seam thumbholes provide a clean, secure fit, while 3 heat zones deliver consistent warmth where you need it most.

The Fieldsheer® powered by Mobile Warming® heating technology Peak BT Heated Vest is a low-cost unisex Heated Vest that is favored by many for its light design that allows it to function as either an outer shell or a baselayer. Engineered to keep outside elements out, the Peak Heated Vest is constructed with Windshark®, a Fieldsheer® fabric technology designed to take on moderate weather, and a comfortable 4-way stretch material. Look to this highly breathable lightweight Heated Jacket to provide a water- and wind-resistant shell. The mid-weight Peak BT Heated Vest is thick enough to be worn as your outer layer and thin enough to be used under a larger ski Heated Jacket or heavy work coat. The Peak BT Heated Vest has integrated, concealed heating panels powered by a sturdy yet lightweight 7.4-volt Mobile Warming® heating system. The 7.4-volt system has 3 heating zones, one on the back and 2 on the chest, that add heat to critical areas that keep your core warm. The Peak BT 7.4-volt heating system can provide temperatures ranging from 135°F on high to 90°F on low. On high, expect up to 2 hours of heat on high, and on low, the Peak BT can provide heat for up to 10 hours! The Peak BT has 2 ways to adjust the temperature. First, the built-in waterproof touch control button. With a simple button push, it lets you choose from 4 instant heat settings with multi-colored LED indicator. Plus, we’ve incorporated Bluetooth® control with our proprietary, free to download via App Store® or Google Play Store®, MW Connect™ app. Through the free MW Connect™ app, you can quickly toggle through all connected Fieldsheer® powered by Mobile Warming® technology garments and adjust individual heat levels to your liking. MW Connect™ app allows you to get real-time updates on battery levels and update your garments when new firmware becomes available. Throw it on under your camo, snow-Heated Jacket, uniform, or just wear it to the next ball game. The Peak BT Heated Vest is ready for any event.

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Designed with versatility, function, and value in mind, Fieldsheer’s® Proton women’s Heated Baselayer Shirts deliver uncompromising performance. A mid layer design can be thrown over a shirt on cool days, or easily slides under your favorite jacket for all day adjustable heat when you need it the most.
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