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Men's technical clothing
Thermal underwear/base layers
Base layer bottoms/thermal leggings

Men's base layer bottoms

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Eco-friendly
BL Bottom Long Active Warm M Odlo Steel Grey Melange

Odlo

BL Bottom Long Active Warm M Odlo Steel Grey Melange

Technical tights - Men - Active Warm Eco - Odlo - Autumn-Winter 2023/2024

£45.90
VAT and custom duties included

Available colours:

Black
15% OFF
New
Duo Active Merino 205 Longs M Ink

Devold of Norway

Duo Active Merino 205 Longs M Ink

Thermal merino wool tights - Men - Duo Active Merino 205 Longs - Devold - 2027

£69.90
VAT and custom duties included

Available colours:

Black
15% OFF
New
Lifa Merino Midweight Pant Navy

Helly-Hansen

Lifa Merino Midweight Pant Navy

Merino wool thermal tights - Men - Lifa Merino Midweight Pant - Helly Hansen - 2026

£84.90
VAT and custom duties included

Available colours:

Black
15% OFF
New
Energy Accumulator 4.0 Pants 3/4 M Marine/Optica

X-Bionic

Energy Accumulator 4.0 Pants 3/4 M Marine/Optica

Breathable and stretch 3/4 tights - Men - Energy Accumulator 4.0 Pants 3/4 M - X-Bionic - 2027

£126.06
VAT and custom duties included
15% OFF
New
Zoé's favouriteDuo Active Merino 205 Longs M Ink

Devold of Norway

Duo Active Merino 205 Longs M Ink

Thermal merino wool tights - Men - Duo Active Merino 205 Longs - Devold - 2027

£69.90
VAT and custom duties included

Available colours:

Black
15% OFF
New
Lifa Active Pant Navy

Helly-Hansen

Lifa Active Pant Navy

Thermal Insulation Tights - Men's - Lifa Active Pant - Helly Hansen - 2026

£49.90
VAT and custom duties included

Available colours:

Black
15% OFF
New
M Classic Thermal Merino Base Layer 3/4 Bottom Boxed Black Tie Dye/Honey Gold

Smartwool

M Classic Thermal Merino Base Layer 3/4 Bottom Boxed Black Tie Dye/Honey Gold

Merino wool thermal tights – Men’s – M Classic Thermal Merino Base Layer 3/4 Bottom Boxed - Smartwool – 2027

£94.90
VAT and custom duties included
15% OFF
New
M Aop Spirit Short John 339 Ray

Peak Performance

M Aop Spirit Short John 339 Ray

Ultrasoft and stretchy technical base layer - Men - Aop Spirit Short John - Peak Performance - 2027

£59.90
VAT and custom duties included
15% OFF
New
Cascade Merino Baselayer 3/4 Legging M Burnt Sage

Mons Royale

Cascade Merino Baselayer 3/4 Legging M Burnt Sage

3/4 length merino wool tights - Men - Cascade Merino Baselayer 3/4 Legging M - Mons Royale - 2027

£79.90
VAT and custom duties included

Available colours:

Black
Black
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New
Eco-friendly
Xperior Base Tights M White

adidas

Xperior Base Tights M White

Double-knit tights - Men's - Xperior Base Tights M - Adidas - 2027

£54.90
VAT and custom duties included
15% OFF
New
Olympus Merino Baselayer 3/4 Legging M Goblin Blue/Black

Mons Royale

Olympus Merino Baselayer 3/4 Legging M Goblin Blue/Black

3/4 length merino wool tights - Men - Olympus Merino Baselayer 3/4 Legging M - Mons Royale - 2027

£119.90
VAT and custom duties included
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Eco-friendly
Baselayer Set 2 M Night

Craft

Baselayer Set 2 M Night

Men's thermal underwear set - Baselayer Set 2 - Craft - 2027

£47.76
VAT and custom duties included

Available colours:

Black
15% OFF
New
185 Rock’N’Wool Short Pants M Blue Note

Ortovox

185 Rock’N’Wool Short Pants M Blue Note

Versatile 3/4 technical tights in merino wool - Men - 185 Rock’N’Wool Short Pants - Ortovox - 2027

£86.91
VAT and custom duties included

Available colours:

Brown
Black
15% OFF
New
Eco-friendly
Merino 200 80 Years Baselayer Bottom Long M Dark Sapphire

Odlo

Merino 200 80 Years Baselayer Bottom Long M Dark Sapphire

Technical merino wool tights - Men - Merino 200 80 Years Baselayer Bottom Long - Odlo - 2027

£87.90
VAT and custom duties included
15% OFF
New
185 Rock’N’Wool Short Pants M Dark Chestnut

Ortovox

185 Rock’N’Wool Short Pants M Dark Chestnut

Versatile 3/4 technical tights in merino wool - Men - 185 Rock’N’Wool Short Pants - Ortovox - 2027

£86.91
VAT and custom duties included

Available colours:

Blue
Black
15% OFF
New
Eco-friendly
Merino 260 Baselayer Bottom Long M Dark Sapphire

Odlo

Merino 260 Baselayer Bottom Long M Dark Sapphire

Technical merino wool tights - Men - Merino 260 Baselayer Bottom Long - Odlo - 2027

£99.90
VAT and custom duties included

Available colours:

Black
15% OFF
New
120 Comp Light Short Pants M Blue Nunatak

Ortovox

120 Comp Light Short Pants M Blue Nunatak

Merino wool tights - Men - 120 Comp Light Short Pants - Ortovox - 2027

£69.51
VAT and custom duties included

Available colours:

Black
15% OFF
New
Zoé's favouriteDuo Active Merino 205 Longs M Ink

Devold of Norway

Duo Active Merino 205 Longs M Ink

Thermal merino wool tights - Men - Duo Active Merino 205 Longs - Devold - 2027

£69.90
VAT and custom duties included

Available colours:

Black
15% OFF
Pre-order
New
M Eider x Snowleader Merino 180 Tight Navy

Eider

M Eider x Snowleader Merino 180 Tight Navy

Merino wool tights - Men - M Eider x Snowleader Merino 180 Tight - EIDER® - 2027

£47.76
VAT and custom duties included

Available colours:

Blue
15% OFF
New
230 Competition Long Pants M Dark Sage

Ortovox

230 Competition Long Pants M Dark Sage

Merino wool tights - Men - 230 Competition Long Pants - Ortovox - 2027

£95.61
VAT and custom duties included

Available colours:

Black
Skiing | Ski touring | Snowboard

Skiing | Ski touring | Snowboard

15% off clothing and 10% off gear*

Shop now

*Conditions

15% OFF
New
Lifa Merino Midweight Pant Black

Helly-Hansen

Lifa Merino Midweight Pant Black

Merino wool thermal tights - Men's - Lifa Merino Midweight Pant - Helly Hansen - 2026

£84.90
VAT and custom duties included

Available colours:

Navy
15% OFF
New
Eco-friendly
BL Bottom Long Active Warm M Black

Odlo

BL Bottom Long Active Warm M Black

Technical tights - Men - Active Warm Eco - Odlo - Autumn-Winter 2023/2024

£45.90
VAT and custom duties included

Available colours:

Grey
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Men's Thermal Underwear bottoms 

Keep your bottom half dry and comfortable with our large selection of men's thermal bottoms - whether you need thermal leggings, compression shorts or boxer shorts, we have a massive choice of designs for a range of budgets.

Why wear thermal underwear?

The base layer first and foremost regulates your temperature. A layer of tiny fibres lies close to the skin, trapping essential body heat, regulating air flow and wicking away sweat, to keep you from getting cold, too hot, or wet.

Synthetic base layers dry quickly and are lightweight. Each brand takes a different spin on the synthetic base layer - have a look at our selection from X-Bionic, Craft, Picture Organic Clothing and more.

Merino wool is naturally breathable, regulates body temperature and has antibacterial and anti UV propreties. It is also exceptionally soft and is perfect for both extremely high and low temperatures. Have a look at Icebreaker base layers on Snowleader.

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