Mobile Warming Longmen Shirt (Base Layer) ::

Mobile Warming Longmen Shirt

  • Stretch antibacterial fabric
  • Mesh side inserts
  • 1/2 zip front
  • Three heating panels lined with steel alloy fiber elements with two on the chest and one on the upper back
  • Includes one 7.4V 2.2Ah rechargeable lithium-ion battery and charger
  • Provides up to ten hours of comfortable warmth Technical product information can be found here
    The Mobile Warming Owner’s Manual can be found here

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Sizing Information

The Longmen shirt is really easy to fit. The material is soft and very stretchy which makes it easy. Basically, you should just choose the size you normally wear in men’s clothing. The following size chart is provided to give you a chest size reference if you need it. Sleeve length is also provided, but since this shirt is made to be worn under other clothing, the sleeve length won’t be a critical thing for most people.

I don’t see any reason this product won’t work for ladies as well… just forget the unfortunate naming of the product! Choose a size based on chest size or your approximate equivalent size in a men’s shirt.

Mobile Warming has provided the following sizing info:
Jacket Size Chest Size in Inches Sleeve Size in Inches
XXSmall 34 30.5
XSmall 36 31.5
Small 38 32.5
Medium 41 33.5
Large 44 34.5
XL 47 35.5
2XL 50 36.5
3XL 53 37.5

Product Video

Our Two Cents

Out of all the Mobile Warming products, I like this Longmen shirt the best. Why? The material used is very soft and stretchy… just what you’d expect in a cooler weather undershirt. And the material is thin and slippery feeling, so it should work under motorcycle jackets very easily… even if your thermal liner is installed in the jacket. The technology in the shirt is the same as with the other vests and jackets by Mobile Warming so the same comments I made about overall functionality apply to this base layer shirt as well: There are lots of good heated gear choices out there which require that you hook up to your bike’s battery, but this line is unique in that it’s operated with a rechargeable battery. Will the Mobile Warming gear provide as much warmth? Probably not quite as much as the heating elements don’t run throughout the garment but are located in two zones on the upper chest and one on the upper back. On the other hand, the other heated gear lines that I’ve seen feel more like you’re wearing an electric blanket and this vest is very comfortable to wear. The heated zones on the chest and back do provide a lot of warmth and it felt like the heat spread throughout the torso. Because this shirt would be so easily adaptable to your existing riding gear, it is the most usable for the bike. The other styles are nice too, but they are made of thicker materials with more substance (and thickness), and while they may also work fine under gear, this is a sure bet. Stay toasty with minimal fuss with this one! :: Paul, 10-15-12

Here is the factory description: Mobile Warming® was designed with outdoor enthusiasts in mind; the range of applications is widespread including skiing, hunting, hiking, fishing, motorcycling and just everyday use. Mobile Warming’s breakthrough technology gives unprecedented heating and warmth for an entire day at the touch of a button exceeding the heat transmitted by any other form of insulation available in outerwear today.

It was designed to work as base layers under a rider’s motorcycle jacket, and is powered by a portable rechargeable battery power supply. Fully charged it can offer up to 10 hours of warmth to the rider with continued use. The battery takes just 2-3 hours for a full charge. Both battery and charger are included.

Product Use Update: One customer noted that the owner’s manual for Mobile Warming products includes the warning: “Do not wear against the bare skin”. We inquired with the manufacturer about the inconsistency between the warning and the advertised use of the shirt (as a base layer) and was told: “We suggest wearing something like an undershirt or tank underneath as it may be too hot directly against the skin.” :: Paul, 11-13-12

Happy Customers Who Bought This Product

From: Nicholas D
Location: Maryland

The fabric is very soft, thin, and comfortable. Very wearable baselayer for everyday use. The heating system seems to work great so far. (Read more...)