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Base layer bottoms for cool to icy temps
Wearing a good pair of base layer trousers is essential when it comes to the performance of the rest of your outfit. Choose from thinner base layer leggings that offer comfy warmth under everyday trousers and thicker base layer pants for mountain tours.

Baselayer Pants

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Sustainability certificates

  • bluesign APPROVED 13
  • bluesign PRODUCT 5
  • Fair Trade Certified 7
  • Global Recycled Standard (GRS) 6
  • STANDARD 100 by OEKO-TEX 2

Series

  • Aclima DesignWool 1
  • Aclima HotWool 1
  • Aclima Lars Monsen 1
  • Aclima LightWool 11
  • Aclima WarmWool 8
  • Aclima WoolNet 6
  • Craft Active Extreme 2
  • Craft Active Intensity 2
  • Craft Core 11
  • Dynafit Speed 1
  • Föhn Outdoor Merino 2
  • Houdini Base 2
  • Houdini Insulation 1
  • Icebreaker Anatomica 20
  • Icebreaker Everyday 5
  • Icebreaker Oasis 8
  • Icebreaker Siren 19
  • Icebreaker Sprite 4
  • Icebreaker Tech 2
  • Icebreaker Vertex 1
  • Icebreaker Zone 3
  • Kari Traa Rose 2
  • Kari Traa Tina 1
  • Karpos Lavaredo 1
  • Odlo 100% Merino 2
  • Odlo Blackcomb 9
  • Odlo Kinship 1
  • Patagonia Fair Trade Certified 1
  • Regatta Outdoor Active Men 1
  • SALEWA Committed 4
  • Smartwool Merino 150 8
  • Smartwool Merino 250 2
  • super.natural Base 27
  • Woolpower 200 7
  • Woolpower 400 5
  • Woolpower Lite 15
  • X-Bionic Apani 1

Colour

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Most popular New products Best rating Highest price Lowest price Highest discount
Icebreaker Anatomica Boxers Men black
Icebreaker Anatomica Boxers Men black black
Icebreaker
Anatomica Boxers Men black
£33.99 £32.99
  • Versions: SXLXXLXS
UYN Visyon UW Long Pants Kids tomato/atlantic/lime
UYN Visyon UW Long Pants Kids tomato/atlantic/lime tomato/atlantic/lime
UYN
Visyon UW Long Pants Kids tomato/atlantic/lime
£53.99 £14.99
  • Available in many sizes!
- 72 %
Icebreaker 200 Oasis Leggings Women black
Icebreaker 200 Oasis Leggings Women black black
Icebreaker
200 Oasis Leggings Women black
£76.99 £59.99
  • Versions: XSSMXL
- 22 %
UYN Cashmere Silky UW Medium Pants Men celebrity silver
UYN Cashmere Silky UW Medium Pants Men celebrity silver celebrity silver
UYN
Cashmere Silky UW Medium Pants Men celebrity silver
£134.99 £32.99
  • Versions: S/ML/XLXXL
- 76 %
Woolpower 400 Long Johns black
Woolpower 400 Long Johns black black
Woolpower
400 Long Johns black
£97.99 £89.99
  • Versions: 2XSXSSLXLXXL3XL
Icebreaker Anatomica Briefs Men black/monsoon
Icebreaker Anatomica Briefs Men black/monsoon black/monsoon
Icebreaker
Anatomica Briefs Men black/monsoon
£31.99
  • Versions: SMLXLXXL
Aclima Lightwool Boxershorts Men zinfandel
Aclima Lightwool Boxershorts Men zinfandel zinfandel
Aclima
Lightwool Boxershorts Men zinfandel
£38.99 £34.99
  • Versions: SMLXLXXL
- 10 %
Icebreaker Anatomica Briefs Men jet hthr/black
Icebreaker Anatomica Briefs Men jet hthr/black jet hthr/black
Icebreaker
Anatomica Briefs Men jet hthr/black
£31.99
  • Versions: SMLXLXXL
Icebreaker Anatomica Boxers Men jet heather
Icebreaker Anatomica Boxers Men jet heather jet heather
Icebreaker
Anatomica Boxers Men jet heather
£33.99 £30.99
  • Versions: SXLXXL
Icebreaker Siren Hipkini Women black
Icebreaker Siren Hipkini Women black black
Icebreaker
Siren Hipkini Women black
£32.99
  • Versions: XSSMLXL
Craft Core Dry 3" Boxers Men blaze
Craft Core Dry 3" Boxers Men blaze blaze
Craft
Core Dry 3" Boxers Men blaze
£16.99
  • Versions: SLXLXXL
Patagonia Essential Boxer Briefs 3" Men river walk/tidepool blue
Patagonia Essential Boxer Briefs 3" Men river walk/tidepool blue river walk/tidepool blue
Patagonia
Essential Boxer Briefs 3" Men river walk/tidepool blue
£25.99
  • Versions: SMLXL
Patagonia Essential Boxer Briefs 3" Men fathom stripe/new navy
Patagonia Essential Boxer Briefs 3" Men fathom stripe/new navy fathom stripe/new navy
Patagonia
Essential Boxer Briefs 3" Men fathom stripe/new navy
£25.99
  • Versions: SMLXL
Viking Europe Lockness Boxers Men full black
Viking Europe Lockness Boxers Men full black full black
Viking Europe
Lockness Boxers Men full black
£14.99
  • Versions: SMXL
Falke Cool Panty Women black
Falke Cool Panty Women black black
Falke
Cool Panty Women black
£23.99
  • Versions: XSSML
super.natural Base 175 Mid Boxer Men ash melange
super.natural Base 175 Mid Boxer Men ash melange ash melange
super.natural
Base 175 Mid Boxer Men ash melange
£34.99 £30.99
  • Versions: SMLXLXXL3XL
- 11 %
Icebreaker Anatomica Boxers Men loden
Icebreaker Anatomica Boxers Men loden loden
Icebreaker
Anatomica Boxers Men loden
£33.99
  • Versions: SMLXXL
Odlo Natural + Light Suw Bottom Boxer Men grey melange
Odlo Natural + Light Suw Bottom Boxer Men grey melange grey melange
Odlo
Natural + Light Suw Bottom Boxer Men grey melange
£38.99
  • Versions: SMLXLXXL
super.natural Base 175 Mid Boxer Men navy blazer
super.natural Base 175 Mid Boxer Men navy blazer navy blazer
super.natural
Base 175 Mid Boxer Men navy blazer
£34.99 £33.99
  • Versions: SMLXLXXL3XL
Icebreaker 200 Oasis Leggings Men black/monsoon
Icebreaker 200 Oasis Leggings Men black/monsoon black/monsoon
Icebreaker
200 Oasis Leggings Men black/monsoon
£75.99 £59.99
  • Versions: SLXLXXL
- 21 %
Kari Traa Ness Hipsters Women ice
Kari Traa Ness Hipsters Women ice ice
Kari Traa
Ness Hipsters Women ice
£17.99 £14.99
  • Versions: XS/SML/XL
- 17 %
Under Armour HeatGear Armour Shorts Men carbon-heather-black
Under Armour HeatGear Armour Shorts Men carbon-heather-black carbon-heather-black
Under Armour
HeatGear Armour Shorts Men carbon-heather-black
£25.99
  • Versions: SMLXL
Icebreaker Sprite Hot Pants Women black
Icebreaker Sprite Hot Pants Women black black
Icebreaker
Sprite Hot Pants Women black
£33.99
  • Versions: XSSMLXL
Icebreaker 200 Oasis Boy Shorts Women black
Icebreaker 200 Oasis Boy Shorts Women black black
Icebreaker
200 Oasis Boy Shorts Women black
£42.99 £31.99
  • Versions: XSSML
- 26 %
Craft Core Dry String Women black
Craft Core Dry String Women black black
Craft
Core Dry String Women black
£15.99
  • Versions: XSSMXLXXL
Icebreaker 175 Everyday Leggings with Fly Men black
Icebreaker 175 Everyday Leggings with Fly Men black black
Icebreaker
175 Everyday Leggings with Fly Men black
£72.99 £69.99
  • Versions: SMLXLXXL
super.natural Base 175 Boxers Men jet black melange/navy blazer melange
super.natural Base 175 Boxers Men jet black melange/navy blazer melange jet black melange/navy blazer melange
super.natural
Base 175 Boxers Men jet black melange/navy blazer melange
£60.99 £59.99
  • Versions: SMLXLXXL
Smartwool Merino 150 Bikini Slip Women black
Smartwool Merino 150 Bikini Slip Women black black
Smartwool
Merino 150 Bikini Slip Women black
£25.99
  • Versions: XSSMXL
super.natural Base 175 Mid Boxer Men urban chic melange
super.natural Base 175 Mid Boxer Men urban chic melange urban chic melange
super.natural
Base 175 Mid Boxer Men urban chic melange
£34.99 £33.99
  • Versions: SLXLXXL3XL
Craft Core Dry Hipster Women machine
Craft Core Dry Hipster Women machine machine
Craft
Core Dry Hipster Women machine
£16.99 £9.99
  • Versions: SXSMXLXXL
- 41 %
Icebreaker Anatomica Boxers with Fly Men jet heather
Icebreaker Anatomica Boxers with Fly Men jet heather jet heather
Icebreaker
Anatomica Boxers with Fly Men jet heather
£38.99
  • Versions: SLXLXXL
Patagonia Essential Boxer Briefs 6" Men flower power/tigerlily orange
Patagonia Essential Boxer Briefs 6" Men flower power/tigerlily orange flower power/tigerlily orange
Patagonia
Essential Boxer Briefs 6" Men flower power/tigerlily orange
£25.99
  • Versions: SMLXL
super.natural Base 175 Mid Boxer Men jet black
super.natural Base 175 Mid Boxer Men jet black jet black
super.natural
Base 175 Mid Boxer Men jet black
£34.99 £30.99
  • Versions: SMLXLXXL3XL
- 11 %
Icebreaker Siren Hipkini Women gritstone heather
Icebreaker Siren Hipkini Women gritstone heather gritstone heather
Icebreaker
Siren Hipkini Women gritstone heather
£32.99
  • Versions: XSSMLXL
Aclima Lightwool Boxershorts Men jet black
Aclima Lightwool Boxershorts Men jet black jet black
Aclima
Lightwool Boxershorts Men jet black
£38.99
  • Versions: SMLXLXXL
Icebreaker Siren Hipkini Women haze
Icebreaker Siren Hipkini Women haze haze
Icebreaker
Siren Hipkini Women haze
£32.99 £23.99
  • Versions: XSSML
- 27 %
Woolpower Lite Long Johns Men pine green
Woolpower Lite Long Johns Men pine green pine green
Woolpower
Lite Long Johns Men pine green
£68.99 £64.99
  • Versions: SMLXLXXL
Föhn Merino Leggings Women black
Föhn Merino Leggings Women black black
Föhn
Merino Leggings Women black
£44.99 £26.99
  • Versions: UK 8 | XSUK 10 | S
- 40 %
Icebreaker Siren Thong Women fawn heather/fawn heather
Icebreaker Siren Thong Women fawn heather/fawn heather fawn heather/fawn heather
Icebreaker
Siren Thong Women fawn heather/fawn heather
£30.99 £18.99
  • Versions: XSSLXL
- 39 %
super.natural Base 175 Mid Boxer Men olive night
super.natural Base 175 Mid Boxer Men olive night olive night
super.natural
Base 175 Mid Boxer Men olive night
£34.99 £27.99
  • Versions: SMLXXL3XL
- 20 %
Kari Traa Tina Hipsters 2-Pack Women marin
Kari Traa Tina Hipsters 2-Pack Women marin marin
Kari Traa
Tina Hipsters 2-Pack Women marin
£25.99 £18.99
  • Versions: SLXL
- 27 %
Icebreaker Siren Thong Women praline
Icebreaker Siren Thong Women praline praline
Icebreaker
Siren Thong Women praline
£30.99 £22.99
  • Versions: XSSMLXL
- 26 %
Smartwool Merino Sport 150 Boxer Brief Boxed Men black
Smartwool Merino Sport 150 Boxer Brief Boxed Men black black
Smartwool
Merino Sport 150 Boxer Brief Boxed Men black
£33.99
  • Versions: SMXLXXL
Icebreaker Anatomica Boxers with Fly Men black
Icebreaker Anatomica Boxers with Fly Men black black
Icebreaker
Anatomica Boxers with Fly Men black
£38.99
  • Versions: SMLXLXXL
Odlo Natural+Light Bottom Underwear Women holly berry melange
Odlo Natural+Light Bottom Underwear Women holly berry melange holly berry melange
Odlo
Natural+Light Bottom Underwear Women holly berry melange
£38.99
  • Versions: SML
Craft Core Dry Boxers Women black
Craft Core Dry Boxers Women black black
Craft
Core Dry Boxers Women black
£16.99
  • Versions: SXSMLXLXXL
ARTILECT Boulder 125 Boxer Brief Men black
ARTILECT Boulder 125 Boxer Brief Men black black
ARTILECT
Boulder 125 Boxer Brief Men black
£46.99 £33.99
  • Versions: SMLXLXXL
- 28 %
Icebreaker 260 Tech Leggings Women black
Icebreaker 260 Tech Leggings Women black black
Icebreaker
260 Tech Leggings Women black
£84.99 £64.99
  • Versions: XSSLXL
- 24 %