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Thermal underwear/base layers
Base layer/thermal tops

Men's thermal base layer tops

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Eco-friendly
BL Top Crew Neck LS Active Warm M White

Odlo

BL Top Crew Neck LS Active Warm M White

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

£45.90
VAT and custom duties included

Available colours:

Black
Grey
15% OFF
New
Lifa Merino Midweight 1/2 Zip Navy

Helly-Hansen

Lifa Merino Midweight 1/2 Zip Navy

Merino wool thermal base layer - Men's - Lifa Merino Midweight 1/2 Zip - Helly Hansen 2026

£99.90
VAT and custom duties included

Available colours:

Black
Green
15% OFF
New
Eco-friendly
Active Warm Baselayer Top Turtle Neck Half Zip M Odlo Steel Grey Melange

Odlo

Active Warm Baselayer Top Turtle Neck Half Zip M Odlo Steel Grey Melange

Long-sleeve zipped technical base layer - Men - Active Warm Eco 1/2 Zip - Odlo - Autumn-Winter 2023/2024

£55.90
VAT and custom duties included

Available colours:

Black
Black
15% OFF
New
Lifa Merino Midweight Crew Navy

Helly-Hansen

Lifa Merino Midweight Crew Navy

Merino wool thermal Layer - Men's - Lifa Merino Midweight Crew - Helly Hansen - 2026

£89.90
VAT and custom duties included

Available colours:

Green
15% OFF
New
Eco-friendly
Zoé's favouriteActive Warm Baselayer Top Turtle Neck Half Zip M Odlo Steel Grey Melange

Odlo

Active Warm Baselayer Top Turtle Neck Half Zip M Odlo Steel Grey Melange

Long-sleeve zipped technical base layer - Men - Active Warm Eco 1/2 Zip - Odlo - Autumn-Winter 2023/2024

£55.90
VAT and custom duties included

Available colours:

Black
Black
15% OFF
New
Eco-friendly
BL Top Crew Neck LS Active Warm M Odlo Steel Grey Melange

Odlo

BL Top Crew Neck LS Active Warm M Odlo Steel Grey Melange

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

£45.90
VAT and custom duties included

Available colours:

White
Black
15% OFF
New
Lifa Active Crew Navy

Helly-Hansen

Lifa Active Crew Navy

Warm and breathable Base layers - Men's - Lifa Active Crew - Helly Hansen - 2026

£54.90
VAT and custom duties included

Available colours:

Black
White
15% OFF
New
Energy Accumulator 4.0 Shirt LG SL M Marine/Optical

X-Bionic

Energy Accumulator 4.0 Shirt LG SL M Marine/Optical

Technical long-sleeve T-shirt - Men - Energy Accumulator 4.0 Shirt LG LS M - X-Bionic - 2027

£134.76
VAT and custom duties included
15% OFF
New
185 Rock'N'Wool LS M Deep Ocean

Ortovox

185 Rock'N'Wool LS M Deep Ocean

Merino wool Base layers - Men's - 185 Rock'N'Wool Long Sleeve - Ortovox - 2026

£107.90
VAT and custom duties included

Available colours:

Burgundy
Black
15% OFF
New
Symbio Merino Shirt LS M Rhino Grey

X-Bionic

Symbio Merino Shirt LS M Rhino Grey

Technical merino wool T-shirt - Men - Symbio Merino Shirt LS M - X-Bionic - 2027

£156.51
VAT and custom duties included
15% OFF
New
M Classic Thermal Merino Base Layer Crew Boxed Black Tie Dye/Honey Gold

Smartwool

M Classic Thermal Merino Base Layer Crew Boxed Black Tie Dye/Honey Gold

Merino wool thermal top – Men’s – M Classic Thermal Merino Base Layer Crew Boxed - Smartwool – 2027

£99.90
VAT and custom duties included
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M Aop Spirit Crew 339 Ray

Peak Performance

M Aop Spirit Crew 339 Ray

Ultra-soft and stretchy technical base layer - Men - Aop Spirit Crew - Peak Performance - 2027

£69.90
VAT and custom duties included
15% OFF
New
Cascade Merino Baselayer LS M Burnt Sage

Mons Royale

Cascade Merino Baselayer LS M Burnt Sage

First stretch layer in merino wool - Men - Cascade Merino Baselayer LS M - Mons Royale - 2027

£99.90
VAT and custom duties included

Available colours:

Black
15% OFF
New
Eco-friendly
Xperior LS Baselayer M White

adidas

Xperior LS Baselayer M White

Breathable double-knit base layer - Men's - Xperior LS Baselayer M - Adidas - 2027

£54.90
VAT and custom duties included
15% OFF
New
Olympus Merino Baselayer 1/4 Zip LS M Goblin Blue/Black

Mons Royale

Olympus Merino Baselayer 1/4 Zip LS M Goblin Blue/Black

Technical first layer in merino wool - Men - Olympus Merino Baselayer 1/4 Zip LS M - Mons Royale - 2027

£134.90
VAT and custom duties included
15% OFF
New
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
MW Longsleeved Shirt Tight M Space Blue

Falke

MW Longsleeved Shirt Tight M Space Blue

Technical base layer with crew neck - Men - Longsleeved Shirt - Falke - 2027

£93.90
VAT and custom duties included

Available colours:

Black
15% OFF
New
Eco-friendly
Zoé's favouriteActive Warm Baselayer Top Turtle Neck Half Zip M Odlo Steel Grey Melange

Odlo

Active Warm Baselayer Top Turtle Neck Half Zip M Odlo Steel Grey Melange

Long-sleeve zipped technical base layer - Men - Active Warm Eco 1/2 Zip - Odlo - Autumn-Winter 2023/2024

£55.90
VAT and custom duties included

Available colours:

Black
Black
15% OFF
New
Active Extreme X Cn LS M Lake

Craft

Active Extreme X Cn LS M Lake

Technical long-sleeve breathable T-shirt - Men - Active Extreme X Cn LS - Craft - 2027

£56.46
VAT and custom duties included

Available colours:

White
Black
15% OFF
New
185 Rock'N'Wool LS M Dark Wild Berry

Ortovox

185 Rock'N'Wool LS M Dark Wild Berry

Technical long-sleeve top in merino wool - Men - 185 Rock'N'Wool Long Sleeve - Ortovox - 2027

£104.31
VAT and custom duties included

Available colours:

Blue
Black
Skiing | Ski touring | Snowboard

Skiing | Ski touring | Snowboard

15% off clothing and 10% off gear*

Shop now

*Conditions

15% OFF
New
Active Extreme X Cn LS M White

Craft

Active Extreme X Cn LS M White

Technical long-sleeve breathable T-shirt - Men - Active Extreme X Cn LS - Craft - 2027

£56.46
VAT and custom duties included

Available colours:

Blue
Black
15% OFF
New
230 Competition LS M Dark Sage

Ortovox

230 Competition LS M Dark Sage

Technical long-sleeve top in merino wool - Men - 230 Competition LS - Ortovox - 2027

£104.31
VAT and custom duties included

Available colours:

Black
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Men's base layer tops

Keep your top half dry and comfortable with our large selection of men's thermal tops - long sleeved or short sleeved, we have a massive choice of designs for a range of budgets.

Why wear thermal underwear?

The base layer regulates your temperature. This effect is caused by a layer of tiny fibres lying 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 base layers are becoming increasingly popular. Merino wool is naturally breathable, regulates body temperature and has antibacterial and anti UV properties. 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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