IconX Heated Core Pant

Pnuma Outdoors IconX Heated Pant delivers advanced warmth and comfort with built-in heating elements—ideal for cold-weather hunts and frigid outdoor conditions. These heated long johns feature a rechargeable battery system, moisture-wicking stretch fabric, and an ergonomic fit for layering. Designed as premium heated thermal underwear and heated long underwear, they provide customizable heat zones and next-to-skin comfort for extreme cold without bulk
Pnuma Outdoors IconX Heated Pant engineered with long-lasting battery life to deliver extended warmth in freezing conditions—perfect for all-day sits in the stand or long glassing sessions. These heated long johns feature dual-zone heating, moisture-wicking stretch fabric, and a low-profile design for layering. As top-tier heated thermal underwear and heated long underwear, they offer reliable, rechargeable heat performance that lasts through the coldest hunts.
Pnuma Outdoors IconX Heated Pant features fast-charging battery technology, allowing hunters to quickly recharge and get back in the field with reliable warmth. Designed as high-performance heated long johns, these pants offer dual-zone heat control, moisture-wicking stretch fabric, and a snug, layer-friendly fit. Ideal as heated thermal underwear or heated long underwear for cold-weather hunts, they provide efficient heat with minimal downtime—perfect for multi-day hunts and extended backcountry use
Pnuma Outdoors IconX Heated Pant is one of the best heated long johns for skiing, ice fishing, and extreme cold-weather adventures. Designed with dual-zone heating and quick-recharge batteries, these premium heated thermal underwear pants offer moisture-wicking stretch fabric, a performance fit, and all-day comfort. Ideal as the best heated long underwear for staying warm in freezing temperatures, the IconX Pant excels in high-output activities and extended time in snow, wind, and ice
IconX Heated Core Pant
IconX Heated Core Pant
Pnuma Outdoors IconX Heated Pant powered by a long-lasting, quick-recharge lithium battery system,delivering reliable heat during the coldest hunts, ski trips, or ice fishing days. These advanced heated longjohns feature dual-zone control for personalized warmth, breathable stretch fabric for active comfort, and a sleek fit for easy layering. Widely regarded as the best heated thermal underwear, these pants offer consistent battery performance, keeping you warm for hours in extreme winter conditions.
IconX Heated Core Pant
50% off

IconX Heated Core Pant

Regular price $199.99 Sale price $99.99 USD

The revolutionary design of the IconX Heated Core Pant puts the heat where your body needs it the most: next to your skin. Cold impacts your performance mentally and physically. It can affect your body's ability to stalk across a ridge or to pull to full-draw smoothly. The key to winning the battle against cold is maintaining your core temperature. Our heated core pant utilizes undetectable carbon-fiber heating elements that crisscross your lower back and tops of thighs to distribute constant, efficient, and compelling warmth. With three levels of heat available at the push of a button, you're in complete control of your comfort. The seamless construction and athletic fit are perfect for layering without restrictions, while the incorporated technologies of HydroWick™, Polygiene® StayFresh™ and Polygiene® OdorCrunch™ keep you dry and fresh for the full duration of your hunt. Don't sacrifice range of motion with bulky outer layers, IconX Heated Core base layers give you the upper hand in any pursuit.

Powerpack Charger and Battery included, a $55 value!


Color PINE CREEK
Size M

The revolutionary design of the IconX Heated Core Baselayers put the heat where your body needs it the most: next to your skin. Worn under all of your layers, we combined next-to-skin warmth with the unparalleled wicking and muscle support of IconX performance to create the most innovative base layer available. Three different heat settings provide incredible, sustained warmth with no bulk and complete freedom of movement.

*60% Polyester/ 23% Propylene/ 17% Elastane
*Re-chargeable 7.4V Lithium-ion battery and wall charger included with purchase
*Revolutionary next-to-skin warmth and performance
*Warmth with no bulk and total freedom of movement
*6 Performance zones provide key muscle support and thermal regulation
*Undetectable carbon fiber heating elements across lower back and tops of thighs.
*Easy access to three-color, waterproof LED heat level selection button
*Approximately 6 hours of battery performance at low setting generating 100-dgrees of heat – individual performance may vary depending on heat level selection and usage
*Athletic fit for easy layering
*HydroWick™ high-performance hollow wicking fiber
*USB output on the battery can be used to charge your mobile device
*Treated with Polygiene® StayFresh™ and Polygiene® OdorCrunch™ for enhanced odor control
*Battery, charger and heating elements covered by 1 year warranty

Whether you’re looking at hunting base layers that will keep you warm, dry, and comfortable all day, outer layers that protect you from wild swings in conditions while you’re in the backcountry, or anything in between, the right fit is imperative for optimal gear performance.

View our Sizing Guide

At Pnuma, we are committed to providing quality products that enhance your hunting experience. We stand behind our craftsmanship with a Lifetime Warranty on our entire line of Pnuma products.

Learn More about our Lifetime Warranty

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Customer Reviews

Based on 86 reviews
81%
(70)
13%
(11)
5%
(4)
0%
(0)
1%
(1)
M
Marcus J Vitelli

Battery placement isn’t great. The top and bottoms put the battery on the same side of the garment which can be bulky

D
DONALD PERRYMAN (Waleska, US)
Iconyx Heated Core Base Layer

Love both pieces. Battery does not last very long--on low only 2-3 hrs

M
MICHAEL VOLPE (Dorothy, US)
Heated Core - Line

I bought the vest four years ago and got the pant and shirt this year from my wife for Christmas. After seeing how the vest worked and fit, she felt the resultant loss of "bulk" would be a healthy thing for a 68 yr. old guys heart and thought it to be a "great investment". So instead of talking about one item I'll tell you about all three. They all perform as advertised. Most times even with temps in the low 20's I only use the "LOW" setting. Perhaps towards the last hour I'll jump them up to "MEDIUM" (three hour local "morning / evening hunts"). Uniform coverage with elements as shown on web site provide effective coverage. In the mid to low 30's I use the vest only over a light type of base layer. Once into the mid 20's I have discovered the comfort of the pants and shirt. Low 20's on down I wear the merino wool base layer from Pnuma as well. (I have never worn a more comfortable pair of "long johns" in over 50 yrs.!) The combination works great. I'm still experimenting with internal layers matching up to which external layers. You see in addition to the fit, the construction and overall excellent quality the heated core has given me something else that I lost some time ago. Due to their performance AND their LIGHT WEIGHT, I no longer look like the kid brother in Christmas Story. I have had 9 vertebrae fused. Last surgery was last year and this year for the first time in five or six years I can walk without pain and negotiate uneven terrain in the woods. I also have COPD and it is sometimes very difficult to deal with in the woods with the bulky outfits I had to wear to keep warm. It's like I've lost 30 lbs. I wear next to nothing with the Heated Core Line compared to without it. Episodes of shortness of breath are fewer and don't last as long. I truly can't describe how that result from using the Heated Core Line has changed my life by giving me back the ability to enjoy something I love so much in the manner I was accustomed to before my stupid choice to smoke caught up with me years after I had finally quit. My hat is off and I extend my hand to the folks at PNUMA. I am grateful for all you've put into your product lines and customer service.

M
Michael Williamson (Baldwinsville, US)
Warm and comfortable

Quality baselayer without using the heat. I have worn these about ten times in various temperatures. I have only used the low and medium setting. I bought medium . I am 5'10 and I have a 33 inch waist. So far the battery has lasted as advertised. I bought the vest and an extra battery. Should have bought heated baselayers long ago.

M
Michael Dolloff (Bay City, US)
Solid, Some flaws

I hunt Michigan and hate sitting in a box blind or running heater. I do everything I can to sit in a tree stand. I usually sit all day and was looking for a product that would allow me to bulk down on the layers. The product fit as I expected. 5"11 200 LBS. XL pants L Vest. The heat takes off the edge and makes a more comfortable sit. I wait until mid-day to turn it on. I start low and increase the power as needed. I purchased an extra battery. The battery placement is a design flaw. The vest battery and pant battery end up almost being on top of each other. I wish the battery packs were larger and on separate sides. I found the vest was a little uncomfortable. I wear a thin T shirt under it. Overall I am happy with the purchase.

R
Rick Dawson (Utica, US)
Work great, just too long in the legs

Great gear only issue is sizing. Too long in the legs and no shorter options.

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