Thermal Underwear for Women

Stay warm & comfortable with women's thermal underwear & base layers from Decathlon. Designed to keep your toasty without limiting movement, they’re ideal for winter sports like skiing or snowboarding through to cold winter runs.
26 items
WEDZE WOMEN'S SKI BASE LAYER BOTTOM - BL 100 - BLACK
WEDZE WOMEN'S SKI BASE LAYER BOTTOM - BL 100 - BLACK
Rate: 4.6 stars, 2756 votes
£5.99£7.99
WEDZE Women’s Ski Base Layer Bottoms - BL 500 - Black
WEDZE Women’s Ski Base Layer Bottoms - BL 500 - Black
Rate: 4.7 stars, 476 votes
£14.99
WEDZE Women’s Seamless Ski Base Layer Bottom - BL 580 I-Soft - Black/Purple
WEDZE Women’s Seamless Ski Base Layer Bottom - BL 580 I-Soft - Black/Purple
Rate: 4.6 stars, 442 votes
£14.99£27.99
SURFANIC Cozy Limited Edition Long John Tiger
SURFANIC Cozy Limited Edition Long John Black Zebra
SURFANIC Cozy Limited Edition Long Wild Midnight
Gallery item 1 out of 3
SURFANIC Cozy Limited Edition Long John Tiger
3 colors
Sold and shipped by Surfanic
£15.00£35.00
WEDZE Women’s Ski Base Layer Seamless Bottoms - BL 900 - White
WEDZE Women’s Ski Base Layer Seamless Bottoms - BL 900 - White
Rate: 4.4 stars, 93 votes
£39.99
OOSC So Fetch Womens Baselayer Legging
OOSC So Fetch Womens Baselayer Legging
Sold and shipped by OOSC
£45.00
OOSC Stairway To Heaven Womens Baselayer Legging
OOSC Stairway To Heaven Womens Baselayer Legging
Sold and shipped by OOSC
£45.00
OOSC Hotstepper Womens Baselayer Legging
OOSC Hotstepper Womens Baselayer Legging
Sold and shipped by OOSC
£45.00
OOSC Fall Line Black & White Womens Baselayer Legging
OOSC Fall Line Black & White Womens Baselayer Legging
Sold and shipped by OOSC
£45.00
OOSC Fall Line Purple & Grey Womens Baselayer Legging
OOSC Fall Line Purple & Grey Womens Baselayer Legging
Sold and shipped by OOSC
£45.00
OOSC That 70's Show Womens Baselayer Legging
OOSC That 70's Show Womens Baselayer Legging
Sold and shipped by OOSC
£45.00
CRAFT CORE ESSENCE TIGHTS WOMEN
CRAFT CORE ESSENCE TIGHTS WOMEN
Gallery item 1 out of 2
CRAFT CORE ESSENCE TIGHTS WOMEN
2 colors
Sold and shipped by Craft
£35.00
DARE 2B In The Zone Women's Base Layer Leggings
DARE 2B In The Zone Women's Base Layer Leggings
Sold and shipped by Regatta Ltd UK
£16.40£40.00
DARE 2B In The Zone II Women's Long Sleeved Base Layer Top
DARE 2B In The Zone II Women's Long Sleeved Base Layer Top
Sold and shipped by Regatta Ltd UK
£18.00£45.00
DARE 2B In The Zone Women's Base Layer 3/4 Leggings
DARE 2B In The Zone Women's Base Layer 3/4 Leggings
Sold and shipped by Regatta Ltd UK
£16.50£30.00
DARE 2B In The Zone Women's Base Layer Leggings
DARE 2B In The Zone Women's Base Layer Leggings
Sold and shipped by Regatta Ltd UK
£16.40£40.00
INOVIK WOMEN'S 900 THERMAL CROSS-COUNTRY SKIING BASE LAYER BOTTOMS
INOVIK WOMEN'S 900 THERMAL CROSS-COUNTRY SKIING BASE LAYER BOTTOMS
Rate: 4.7 stars, 77 votes
£24.99
HEAT HOLDERS Ladies Fleece Lined Long John Thermal Bottoms | Original
HEAT HOLDERS Ladies Fleece Lined Long John Thermal Bottoms | Original
Sold and shipped by Sock Snob UK
£22.87£25.99
HEAT HOLDERS Ladies Fleece Lined Long John Thermal Bottoms | Ultra Lightweight
HEAT HOLDERS Ladies Fleece Lined Long John Thermal Bottoms | Ultra Lightweight
Sold and shipped by Sock Snob UK
£22.87£25.99
HEAT HOLDERS Ladies Cotton Winter Thermal Underwear Leggings Long Johns
HEAT HOLDERS Ladies Cotton Winter Thermal Underwear Leggings Long Johns
Gallery item 1 out of 2
HEAT HOLDERS Ladies Cotton Winter Thermal Underwear Leggings Long Johns
2 colors
Sold and shipped by Sock Snob UK
£24.95£25.99
HEAT HOLDERS Ladies Fleece Lined Long John Thermal Bottoms | Lightweight
HEAT HOLDERS Ladies Fleece Lined Long John Thermal Bottoms | Lightweight
Sold and shipped by Sock Snob UK
£22.87£25.99
REGATTA Bampton Women's Fitness Leggingss
REGATTA Bampton Women's Fitness Leggingss
Gallery item 1 out of 2
REGATTA Bampton Women's Fitness Leggingss
Rate: 4.0 stars, 1 votes
2 colors
Sold and shipped by Regatta Ltd UK
£16.45£27.50
CRAFT ACTIVE EXTREME X BASELAYER PANTS WOMEN BLACK
CRAFT ACTIVE EXTREME X BASELAYER PANTS WOMEN BLACK
Sold and shipped by Craft
£40.00
CRAFT Active Intensity Baselayer Pants Women Black Asphalt
CRAFT Active Intensity Baselayer Pants Women Black Asphalt
Sold and shipped by Craft
£35.00
CAPERLAN Underwear | thermal base layer for wader fishing black
CAPERLAN Underwear | thermal base layer for wader fishing black
Rate: 4.6 stars, 11 votes
£49.99
WEDZE WOMEN'S SKI 180 SEAMLESS BASE BOTTOMS - NAVY BLUE
WEDZE WOMEN'S SKI 180 SEAMLESS BASE BOTTOMS - NAVY BLUE
Rate: 4.6 stars, 17 votes
£14.99
Out of stock
4.5/5 based on 3873 reviews collected online and in stores

These women’s thermal tops are designed to act like a second skin while you exercise, and not to hinder movement or flexibility. Innovative materials wick away sweat and trap warm air, regulating your body’s temperature while you exercise.

For complete warmth during cold weather activities, such as skiing or winter hiking, pair any of these thermal tops with our range of