Thermals
Couple wearing Heat Holders thermal underwear in the mountains
The phenomenal success of our Heat Holders® socks has led to the development of additional Heat Holders® products. Our Thermals, available in various colors and sizes, will keep you warm on those cold winter days. Choose a style to buy now or narrow your selection to Men's or Women's styles.
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Original
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Black #color_black
Men's Original Base Layer Tops Packaging
95 Reviews
Men's ORIGINAL™ Alberto Thermal Base Layer Top
$29.99

Men's ORIGINAL™ Alberto Thermal Base Layer Top

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Original
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Black #color_black
Men's Original Base Layer Bottoms Packaging
92 Reviews
Men's ORIGINAL™ Base Layer Bottoms
$29.99

Men's ORIGINAL™ Base Layer Bottoms

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Original
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Black #color_black
Women's Original Base Layer Tops Packaging
66 Reviews
Women's ORIGINAL™ Base Layer Tops
$29.99

Women's ORIGINAL™ Base Layer Tops

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Original
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Black #color_black
Women's Original Base Layer Bottoms Packaging
57 Reviews
Women's ORIGINAL™ Base Layer Bottoms
$29.99

Women's ORIGINAL™ Base Layer Bottoms

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Lite
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Black #color_black
Men's LITE™ Base Layer Tops Packaging
47 Reviews
Men's LITE™ Base Layer Top
$24.99

Men's LITE™ Base Layer Top

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Lite
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Black #color_black
Men's LITE™ Base Layer Bottoms Packaging
53 Reviews
Men's LITE™ Base Layer Bottoms
$24.99

Men's LITE™ Base Layer Bottoms

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Lite
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Black #color_black
Women's LITE™ Base Layer Tops Packaging
39 Reviews
Women's LITE™ Base Layer Tops
$24.99

Women's LITE™ Base Layer Tops

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Lite
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Black #color_black
Women's LITE™ Base Layer Bottoms Packaging
35 Reviews
Women's LITE™ Base Layer Bottoms
$24.99

Women's LITE™ Base Layer Bottoms

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Ultra Lite
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Black #color_black
Women's ULTRA LITE™ Base Layer Tops Packaging
42 Reviews
Women's ULTRA LITE™ Base Layer Tops
$27.99
+1

Women's ULTRA LITE™ Base Layer Tops

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Ultra Lite
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Iron Grey #color_iron grey
Men's ULTRA LITE™ Base Layer Bottoms Packaging
31 Reviews
Men's ULTRA LITE™ Base Layer Bottoms
$27.99

Men's ULTRA LITE™ Base Layer Bottoms

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Ultra Lite
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Black #color_black
Men's ULTRA LITE™ Base Layer Tops Packaging
25 Reviews
Men's ULTRA LITE™ Base Layer Top
$27.99

Men's ULTRA LITE™ Base Layer Top

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Ultra Lite
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Black #color_black
Women's ULTRA LITE™ Base Layer Bottoms Packaging
38 Reviews
Women's ULTRA LITE™ Base Layer Bottoms
$27.99
+1

Women's ULTRA LITE™ Base Layer Bottoms

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Original
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Ghost
Model 1
7 Reviews
Men's ORIGINAL™ Base Layer Zip Top
$44.99

Men's ORIGINAL™ Base Layer Zip Top

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Men’s Ceramic Base Layer Top
Men’s Ceramic Base Layer Top
Men’s Ceramic Base Layer Top
$69.99

Men’s Ceramic Base Layer Top

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Men’s Ceramic Base Layer Pants
Men’s Ceramic Base Layer Pants
3 Reviews
Men’s Ceramic Base Layer Pants
$69.99

Men’s Ceramic Base Layer Pants

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Ultra Lite
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Ghost
Model 1 #color_black
12 Reviews
Men's ULTRA LITE™ Base Layer Mock Neck Top
$34.99
Women’s Ceramic Base Layer Top
Women’s Ceramic Base Layer Top
2 Reviews
Women’s Ceramic Base Layer Top
$69.99

Women’s Ceramic Base Layer Top

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Women’s Ceramic Base Layer Pants
Women’s Ceramic Base Layer Pants
2 Reviews
Women’s Ceramic Base Layer Pants
$69.99

Women’s Ceramic Base Layer Pants

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Ultra Lite
ORIGINAL WARMEST
LITE WARMER
ULTRA LITE WARM
Ghost
Model 1 #color_black
4 Reviews
Men's ULTRA LITE™ Base Layer Zip Top
$39.99

Men's ULTRA LITE™ Base Layer Zip Top

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Women's Lite Base Layer Set in Black
Women's Lite Base Layer Set in Black
Women's Lite Base Layer Set in Black
$49.98 $55.98

Women's Lite Base Layer Set in Black

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