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Thermal Underwear, Long underwear, or Long Johns

Maybe you're an avid extreme winter mountain trekker or you simply get the chills while working in the cool office, you operate heavy mining equipment year round or you work for the US Coast Guard. Either way, thermal long underwear, also known as base layer or long johns, may be just what you need to stay warm and comfortable. The type you choose will depend on your activity level, your budget, and the temperature.

Men's Thermal Underwear Women's Thermal Underwear Kid's Thermal Underwear

Thermal Underwear

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5 Item(s)

  1. Coldpruf Single Layer 100% Polypropylene Long Underwear Top for Men

    • Polypro retains more heat than any other fabric • Polypro dries extremely fast • Flatlock Seams • Tagless • Ribbed Cuffs • Extended tail stays tucked in • 100% Polypropylene

    Regular Price: $17.99

    Special Price $15.99

  2. Indera Mills Lightweight Ribbed Knit 100% Cotton Thermal Shirt For Men for Men

    • Preshrunk • Ribbed Knit(like a regular cotton T) • Bright white color • Rated for mild cold • 5.5oz 100% cotton
    $12.99
  3. Coldpruf 100% Polypropylene Moisture Wicking Long Underwear Shirt for Youth

    • Superior moisture management • Polypro retains more heat than any other fabric • Polypro dries extremely fast • Keeps skin dry • Worn by US Navy and US Coast Guard • Tagless • Ribbed Cuffs • Flatlock seams • 100% Polypropylene
    $14.99
  4. Coldpruf Cotton Polyester 2 Layer Long Johns for Youth

    • 2 layer thermal fabric traps and retains body heat • Tagless • Flatlock seams • Ribbed Cuffs • 60% Cotton / 40% Polyester

    Regular Price: $27.99

    Special Price $18.99

  5. Indera Mills Lightweight Cotton Polyester Blend Waffle Knit Thermal Underwear Top for Men

    • Waffle Knit • Traps body heat and retains it • Ribbed Cuffs • Polyester blend dries quicker than 100% cotton • 65% cotton/35% polyester
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5 Item(s)