Men's Heat Bods

Ultra warm, comfortable, & lightweight thermal wear for winter. Shop thermal tops, long johns, and socks!

Men's Thermals by Heat Bods

It’s never too cold to go on an adventure!

With Underworks Heat Bods Mens Thermals, camping in the Flinders Ranges, skiing at Mt. Buller, or fishing in Limestone Coast is possible.

Featuring thin, soft, stretchable, yet warm undergarments for Men - Underworks Heat Bods are the perfect barely-there thermal base layers that keep you warm wherever you go and whatever you do this winter.

Heat Bods Technology

  • Thermal Knit Construction - heat retention material designed to lock in warmth close to the body.
  • Brushed Inside - For extra warmth and softness against the skin.
  • Super Soft Stretch Fabric - to contour the body and fit neatly under clothes.
  • Lightweight - for extra comfort and freedom of movement all day long.

Warmth Levels:

  • Warm
    • Men’s Cotton Single Interlock Thermal Short Sleeve
    • Men’s Cotton Single Interlock Thermal Long Sleeve
    • Men’s Cotton Single Interlock Long John
  • Extra Warm
    • Men’s Heat Retention Thermal Short Sleeve
    • Men’s Heat Retention Thermal Long Sleeve
    • Men’s Heat Retention Thermal Long John

    Thermal Long John

    Keep your legs warm whether at home, at the office, or outdoors with Underworks Heat Bods Men’s Thermal Long John. Thermal knit construction traps warmth close to the body, made with a cotton inner layer, brushed for extra softness on your skin and engineered to be super-stretch to give you the comfort and flexibility you need for all your adventures in winter.

    Thermal Tops

    Equip your upper body with the right thermal long sleeves. Underworks Heat Bods Men's Thermal Long Sleeve and Thermal Shirt are specifically crafted to provide you with ultimate comfort and warmth. Made with natural and breathable cotton for warmth without bulk, seam-free for superior comfort without visible lines, and interlock construction to trap warmth close to the body.

    Thermal Socks

    Keep your feet toasty with ultra-warm thermal insulated socks that are up to 5x warmer than cotton socks - Underworks Heat Bods Mens Thermal Socks. With a super brushed inner layer for extra warmth and comfort, and extra thick yarns trap heat near the skin to achieve ultimate warmth.

    TOG Ratings:

    • TOG rating 2.2
      • Men’s Heat Bods Thermal Work Crew Socks
    • TOG rating 2.3
      • Men’s Heat Bods Brushed Crew Socks
      • Men’s Heat Bods Brushed Mid Crew Socks
    • TOG rating 4.0
      • Men’s Sherpa Crew Socks

      For an ultimate experience on your outdoor adventures, equip yourself with Underworks Heat Bods superior warm thermal clothing.