Description

Thermal Underwear Set, Heated Long Johns, Carbon Fiber Heated Clothing for Men and Women

  • Warmth in seconds, not a slow wait: the carbon fiber heating sheets heat up in just 10 seconds to fight extreme cold
  • Heat set the way you like it: three-speed temperature control and a single button let you pick your warmth
  • Warm exactly where you feel the cold: heating zones sit at the knees, back and waist of these heated long johns
  • Soft on skin, dry and odor-resistant: this winter thermal underwear uses ultra-soft, skin-friendly, moisture-wicking fabric
  • Moves with you under layers: four-way stretch fabric keeps a snug fit and excellent mobility

Experience ultimate warmth and soothing comfort when extreme cold sets in. This electric heated set pairs micro-carbon fiber heating with soft, skin-friendly materials for all-day warmth, while easing discomfort in your shoulders, waist and stomach. Pick your heat with one button and the built-in heating sheets reach the warmth you chose in seconds.

Winter Thermal Underwear Set, Carbon Fiber Heated Clothing with 3 Heat Settings – image 15

Each heated long johns piece is made from 92% ultra-soft polyester and 8% spandex, with heating zones at the knees, back and waist. It comes as thermal underwear for men and thermal underwear for women, in Black or Grey. As heated underwear and heated winter clothing it suits skiing, snowboarding, hunting, cycling or work in cold environments, and its lightweight insulating design is made for long-term wear in harsh conditions.

Why choose Loftim
Heated Thermal Underwear
Feature
Loftim
Others
Carbon fiber heating in just 10 seconds
✓
✕
Three heat settings from one button
✓
✕
Heating zones at knees, back and waist
✓
Varies
Four-way stretch, ultra-soft fabric
✓
Varies
Hand, machine or dry washable
✓
Varies
30-day easy returns
✓
Varies

Key Features

Built to keep you warm all day:

  • Carbon Fiber Heating: micro-carbon fiber heating sheets are built in and give quick, even warmth after just 10 seconds
  • Single-Button Operation: one button runs the heat for effortless use
  • Lightweight Insulating Design: the light, insulating build suits outdoor adventures and everyday wear
Winter Thermal Underwear Set, Heated Long Johns for Men and Women, Carbon Fiber Heated Clothing with 3 Heat – image 16

Specifications

  • Material: 92% ultra-soft polyester and 8% spandex
  • Heat-up time: 10 seconds
  • Maximum temperature: 122°F (50°C)
  • Temperature settings: 86°F (30°C) (green), 104°F (40°C) (blue), 122°F (50°C) (red)
  • Heat levels: Three-speed temperature control
  • Heating zones: Knees, back and waist
  • Stretch: Four-way stretch fabric
  • Sizes: S, M, L, XL, XXL, XXXL
  • Colors: Black, Grey (No Heating Women Suits - Blue)
  • Pieces: Suits, Jacket, Pants for Men and Women
  • Heating options: Heated, or No Heating Men Suits - Black and No Heating Women Suits - Blue

Package Includes:

  • Thermal underwear suit, jacket or pants, by variant

Materials

It is made from 92% ultra-soft polyester and 8% spandex for breathability and comfort.

Quick Heating

The set reaches the desired warmth in seconds, with settings of 86°F (30°C) (green), 104°F (40°C) (blue) and 122°F (50°C) (red).

Design

The fabric is super soft, odor-resistant and moisture-wicking, which makes for a comfortable fit.

Fit

Four-way stretch fabric gives a snug fit and excellent mobility, and suits layering or wearing on its own.

Care Instructions

It is hand, machine or dry washable, and gentle cleaning extends the life of the heating film.

Benefits

  • It enhances metabolism.
  • It reduces muscle stiffness.
  • It improves blood circulation.
  • The fabric is moisture-wicking and odor-resistant.
  • It is designed for both men and women.
  • The design is skin-friendly and safe to use.
  • The heating technology is reliable and eco-friendly.
Right for you if
  • ✓You work or play in the cold — built for skiing, snowboarding, hunting, cycling and cold environments
  • ✓You feel the cold at your knees, back and waist — the heating zones sit at the knees, back and waist
  • ✓You want warmth fast — the carbon fiber heating sheets heat up in just 10 seconds
  • ✓You are buying a winter gift — a thoughtful choice for Thanksgiving, Christmas or any special occasion

If two or more of these sound like you, this is the one.

FAQs

Q: How fast does the heated thermal underwear warm up?
A: The carbon fiber heating sheets heat up in just 10 seconds, reaching up to 122°F (50°C).

Q: What are the three heat settings?
A: 86°F (30°C) (green), 104°F (40°C) (blue) and 122°F (50°C) (red), all set with a single button.

Q: Can I wear it skiing or hunting?
A: Yes. It is designed for skiing, snowboarding, hunting, cycling and work in cold environments.

Q: How do I clean the heated long johns?
A: They are hand, machine or dry washable; clean them gently to extend the life of the heating film.

Q: Is it a good winter gift?
A: Yes, a thoughtful pick for parents, partners or friends at Thanksgiving, Christmas or any special occasion. This is heated clothing, not a medical device.

Winter Thermal Underwear Set, Heated Long Johns for Men and Women, Carbon Fiber Heated Clothing with 3 Heat Settings

    Product form
    Warm in seconds
    Fights extreme cold
    Warmth to your preference
    Stays dry, resists odor
    Move freely under layers
    $142.00 $184.99 Save $42.99 (23%)

    This offer ends  

      American Express Apple Pay Diners Club Discover Google Pay Mastercard PayPal Shop Pay Visa
      • Guaranteed secure & safe checkout.

        shop pay
      30-Day
      Money-Back
      Free USPS
      Shipping
      Secure
      Checkout
      Fast
      Response

      Description

      Thermal Underwear Set, Heated Long Johns, Carbon Fiber Heated Clothing for Men and Women

      • Warmth in seconds, not a slow wait: the carbon fiber heating sheets heat up in just 10 seconds to fight extreme cold
      • Heat set the way you like it: three-speed temperature control and a single button let you pick your warmth
      • Warm exactly where you feel the cold: heating zones sit at the knees, back and waist of these heated long johns
      • Soft on skin, dry and odor-resistant: this winter thermal underwear uses ultra-soft, skin-friendly, moisture-wicking fabric
      • Moves with you under layers: four-way stretch fabric keeps a snug fit and excellent mobility

      Experience ultimate warmth and soothing comfort when extreme cold sets in. This electric heated set pairs micro-carbon fiber heating with soft, skin-friendly materials for all-day warmth, while easing discomfort in your shoulders, waist and stomach. Pick your heat with one button and the built-in heating sheets reach the warmth you chose in seconds.

      Winter Thermal Underwear Set, Carbon Fiber Heated Clothing with 3 Heat Settings – image 15

      Each heated long johns piece is made from 92% ultra-soft polyester and 8% spandex, with heating zones at the knees, back and waist. It comes as thermal underwear for men and thermal underwear for women, in Black or Grey. As heated underwear and heated winter clothing it suits skiing, snowboarding, hunting, cycling or work in cold environments, and its lightweight insulating design is made for long-term wear in harsh conditions.

      Why choose Loftim
      Heated Thermal Underwear
      Feature
      Loftim
      Others
      Carbon fiber heating in just 10 seconds
      ✓
      ✕
      Three heat settings from one button
      ✓
      ✕
      Heating zones at knees, back and waist
      ✓
      Varies
      Four-way stretch, ultra-soft fabric
      ✓
      Varies
      Hand, machine or dry washable
      ✓
      Varies
      30-day easy returns
      ✓
      Varies

      Key Features

      Built to keep you warm all day:

      • Carbon Fiber Heating: micro-carbon fiber heating sheets are built in and give quick, even warmth after just 10 seconds
      • Single-Button Operation: one button runs the heat for effortless use
      • Lightweight Insulating Design: the light, insulating build suits outdoor adventures and everyday wear
      Winter Thermal Underwear Set, Heated Long Johns for Men and Women, Carbon Fiber Heated Clothing with 3 Heat – image 16

      Specifications

      • Material: 92% ultra-soft polyester and 8% spandex
      • Heat-up time: 10 seconds
      • Maximum temperature: 122°F (50°C)
      • Temperature settings: 86°F (30°C) (green), 104°F (40°C) (blue), 122°F (50°C) (red)
      • Heat levels: Three-speed temperature control
      • Heating zones: Knees, back and waist
      • Stretch: Four-way stretch fabric
      • Sizes: S, M, L, XL, XXL, XXXL
      • Colors: Black, Grey (No Heating Women Suits - Blue)
      • Pieces: Suits, Jacket, Pants for Men and Women
      • Heating options: Heated, or No Heating Men Suits - Black and No Heating Women Suits - Blue

      Package Includes:

      • Thermal underwear suit, jacket or pants, by variant

      Materials

      It is made from 92% ultra-soft polyester and 8% spandex for breathability and comfort.

      Quick Heating

      The set reaches the desired warmth in seconds, with settings of 86°F (30°C) (green), 104°F (40°C) (blue) and 122°F (50°C) (red).

      Design

      The fabric is super soft, odor-resistant and moisture-wicking, which makes for a comfortable fit.

      Fit

      Four-way stretch fabric gives a snug fit and excellent mobility, and suits layering or wearing on its own.

      Care Instructions

      It is hand, machine or dry washable, and gentle cleaning extends the life of the heating film.

      Benefits

      • It enhances metabolism.
      • It reduces muscle stiffness.
      • It improves blood circulation.
      • The fabric is moisture-wicking and odor-resistant.
      • It is designed for both men and women.
      • The design is skin-friendly and safe to use.
      • The heating technology is reliable and eco-friendly.
      Right for you if
      • ✓You work or play in the cold — built for skiing, snowboarding, hunting, cycling and cold environments
      • ✓You feel the cold at your knees, back and waist — the heating zones sit at the knees, back and waist
      • ✓You want warmth fast — the carbon fiber heating sheets heat up in just 10 seconds
      • ✓You are buying a winter gift — a thoughtful choice for Thanksgiving, Christmas or any special occasion

      If two or more of these sound like you, this is the one.

      FAQs

      Q: How fast does the heated thermal underwear warm up?
      A: The carbon fiber heating sheets heat up in just 10 seconds, reaching up to 122°F (50°C).

      Q: What are the three heat settings?
      A: 86°F (30°C) (green), 104°F (40°C) (blue) and 122°F (50°C) (red), all set with a single button.

      Q: Can I wear it skiing or hunting?
      A: Yes. It is designed for skiing, snowboarding, hunting, cycling and work in cold environments.

      Q: How do I clean the heated long johns?
      A: They are hand, machine or dry washable; clean them gently to extend the life of the heating film.

      Q: Is it a good winter gift?
      A: Yes, a thoughtful pick for parents, partners or friends at Thanksgiving, Christmas or any special occasion. This is heated clothing, not a medical device.

      Recently viewed products

        Get 10% off your first order

        Unlock 10% Off Your First Order.

        Join our community for 10% off your first purchase and be the first to discover exclusive offers and new smart finds.

        Frequently Asked Questions

        When will I receive my order?

        Once your order is successfully placed, it is typically processed and dispatched within 1–2 business days (Monday to Friday).
        After dispatch, shipping time usually takes 5–7 business days (Monday to Friday), depending on your location and shipping conditions.
        In total, you can expect to receive your order within approximately 6–9 business days after placing it.

        How much does shipping cost?

        Loftim offers free standard shipping on all orders, with no minimum purchase required.
        There are no additional or hidden charges applied at checkout.

        How can I track my order?

        Once your order has been shipped, you will receive a confirmation email that includes your tracking information.
        Please allow 48–72 hours for tracking updates to appear after dispatch, especially during high-demand periods.
        You can also track your order at any time through our “Track Your Order” page.

        What is your return policy?

        Loftim offers a 30-day return period from the date your order is delivered.
        To be eligible for a return, items must be:
        Unused
        In their original condition
        Returned in the original packaging
        Complete with all included parts and accessories
        If you would like to return a product, simply contact our Customer Service team by email.
        Our team will review your request and guide you through the return process.
        Please contact us before sending any item back so we can provide you with the appropriate return instructions. Returns sent without prior authorization from our Customer Service team will not be accepted.

        How do I start a return?

        To initiate a return, please contact our support team at support@loftim.com.
        Kindly include the following details in your message:
        your order number
        the reason for the return
        clear photos (if the item is damaged or incorrect)
        Once your request is received, our team will review the information and provide you with the appropriate return instructions.

        When will I receive my refund?

        Once your returned item has been received and inspected, approved refunds are processed within 7 business days.
        Please note that depending on your bank or payment provider, it may take additional time for the refunded amount to appear in your account.

        Loftim

        © 2026 Loftim, Powered by Shopify

          • American Express
          • Apple Pay
          • Diners Club
          • Discover
          • Google Pay
          • Mastercard
          • PayPal
          • Shop Pay
          • Visa