Men's Base Layer / Underwear

Stay warm all winter with our collection of mens baselayers and thermals, including long johns, and versatile short or long sleeve tops. Choose from a wide range of sizes, styles, and materials such as merino wool.
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  • Green Coloured Hoggs of Fife 100% Merino Wool Long Sleeve Crew Neck Base Layer on white background Green Coloured Hoggs of Fife 100% Merino Wool Long Sleeve Crew Neck Base Layer on lake background
    Hoggs of Fife 100% Merino Wool Long Sleeve Crew Neck Base Layer
    £40.95
    £49.95
    £40.95

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  • Green Coloured Hoggs of Fife 100% Merino Wool Long Pants on white background Green Coloured Hoggs of Fife 100% Merino Wool Long Pants on white background
    Hoggs of Fife 100% Merino Wool Long Pants
    £40.45
    £49.95
    £40.45

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  • Green coloured Jack Pyke Mens Cotton T-Shirt on white background Green coloured Jack Pyke Mens Cotton T-Shirt on white background
    Jack Pyke Mens Cotton T-Shirt
    £15.95
    £17.95
    £15.95
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  • Green Coloured Hoggs of Fife 100% Merino Wool Short Sleeve Crew Neck Base Layer on white background Green Coloured Hoggs of Fife 100% Merino Wool Short Sleeve Crew Neck Base Layer on white background
    Hoggs of Fife 100% Merino Wool Short Sleeve Crew Neck Base Layer
    £35.95
    £39.95
    £35.95

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  • Grey Fog coloured Helly Hansen Mens Tech Crew Long Sleeve T-Shirt 2.0 on white background Grey Fog coloured Helly Hansen Mens Tech Crew Long Sleeve T-Shirt 2.0 on white background
    +1
    Helly Hansen Mens Tech Crew Long Sleeve T-Shirt 2.0
    £24.95
    £30.00
    £24.95

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  • Black Coloured Icebreaker Mens Merino 260 Tech Thermal Leggings on white background Black Coloured Icebreaker Mens Merino 260 Tech Thermal Leggings on white background
    Icebreaker Mens Merino 260 Tech Thermal Leggings
    £84.75
    £105.00
    £84.75
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  • Black Coloured Icebreaker Mens Merino 200 Oasis Crewe Thermal Top on white background Black Coloured Icebreaker Mens Merino 200 Oasis Crewe Thermal Top on mountain background
    +3
    Icebreaker Mens Merino 200 Oasis Crew Thermal Top
    From £64.95
    £85.00
    From £64.95
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    Sale
  • EVO coloured Quick Wick Armour Top on white background EVO coloured Quick Wick Armour Top on forest background
    Jack Pyke Quick Wick Armour Top
    £14.95
    £18.95
    £14.95

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  • Navy coloured Regatta Professional Mens 65/35 Long Sleeves Polo Top on white background Navy coloured Regatta Professional Mens 65/35 Long Sleeves Polo Top on outdoor background
    Regatta Professional Mens 65/35 Polo Shirt
    £9.95
    £20.00
    £9.95
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  • Black Coloured Helly Hansen Mens Lifa Merino Midweight 2-In-1 Base Layer Pants on white background Navy Coloured Helly Hansen Mens Lifa Merino Midweight 2-In-1 Base Layer Pants on white background
    Helly Hansen Mens Lifa Merino Midweight Base Layer Pants
    £59.95
    £85.00
    £59.95
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    Ski Free
  • Black coloured Deerhunter Heat Long Johns on white background Black coloured Deerhunter Heat Long Johns on white background
    Deerhunter Heat Long Johns
    £52.95
    £109.99
    £52.95
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    Sale
  • Black Coloured Icebreaker Mens Merino 260 Tech Half Zip Thermal Top on white background Black Coloured Icebreaker Mens Merino 260 Tech Half Zip Thermal Top on white background
    Icebreaker Mens Merino 260 Tech Half Zip Thermal Top
    £99.95
    £125.00
    £99.95
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  • Shadow Brown Coloured Harkila Base Mesh Long Johns on white background Shadow Brown Coloured Harkila Base Mesh Long Johns on white background
    Harkila Base Mesh Long Johns
    £89.99
    £109.99
    £89.99
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  • White Coloured Helly Hansen Mens Lifa Stripe Long Sleeve Crew Base Layer on white background White Coloured Helly Hansen Mens Lifa Stripe Long Sleeve Crew Base Layer on white background
    Helly Hansen Mens Lifa Stripe Long Sleeve Crew Base Layer
    £29.95
    £40.00
    £29.95

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    Ski Free
  • Black Coloured Icebreaker Mens Merino 260 Tech Crewe Thermal Top on white background Black Coloured Icebreaker Mens Merino 260 Tech Crewe Thermal Top on white background
    +2
    Icebreaker Mens Merino 260 Tech Crew Thermal Top
    £79.95
    £105.00
    £79.95
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    Sale
  • Navy Coloured Helly Hansen Mens Lifa Merino Midweight Half-Zip Base Layer on white background Navy Coloured Helly Hansen Mens Lifa Merino Midweight Half-Zip Base Layer on white background
    Helly Hansen Mens Lifa Merino Midweight Half-Zip Base Layer
    £69.95
    £100.00
    £69.95
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    SaleSki Free
  • Navy Coloured Helly Hansen Mens Lifa Merino Midweight Crew Base Layer on white background Black Coloured Helly Hansen Mens Lifa Merino Midweight Crew Base Layer on white background
    Helly Hansen Mens Lifa Merino Midweight Crew Base Layer
    £64.95
    £90.00
    £64.95

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    Ski Free
  • HJ Hall 3 Pack Pure Cotton Fly-Front Briefs in Navy HJ Hall 3 Pack Pure Cotton Fly-Front Briefs in Navy
    HJ Hall 3 Pack Pure Cotton Fly-Front Briefs
    £19.50
    £30.00
    £19.50
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    Sale
  • Black Coloured Swazi Micro Fleece Singlet On A White Background Black Coloured Swazi Micro Fleece Singlet On A Forest Background
    Swazi Micro Fleece Singlet
    £24.95
    £24.95
    £24.95
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  • Black Coloured Viper Mesh-Tech Armour Top on white background Black Coloured Viper Mesh-Tech Armour Top on white background
    +2
    Viper Mesh-Tech Armour Top
    £14.95
    £17.95
    £14.95

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  • Black coloured HJ Hall Mens Cotton Rich Thermal T-shirt on white background Black coloured HJ Hall Mens Cotton Rich Thermal T-shirt on white background
    HJ Hall Mens Cotton Rich Thermal T-shirt
    £12.75
    £24.00
    £12.75
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    Sale
  • Black Coloured Helly Hansen Mens Lifa Lightweight Base Layer Pants on white background Black Coloured Helly Hansen Mens Lifa Lightweight Base Layer Pants on white background
    Helly Hansen Mens Lifa Lightweight Base Layer Pants
    £29.95
    £40.00
    £29.95
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    Ski Free
  • Black coloured HJ Hall Mens Cotton Rich Thermal Vest Twin Pack on white background Black coloured HJ Hall Mens Cotton Rich Thermal Vest Twin Pack on white background
    HJ Hall Mens Cotton Rich Thermal Vest Twin Pack
    £13.95
    £24.00
    £13.95
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  • Black Coloured Icebreaker 200 Oasis Glove Liners on white background Black Coloured Icebreaker 200 Oasis Glove Liners on white background
    Icebreaker 200 Oasis Glove Liners
    £24.95
    £33.00
    £24.95
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    Sale
  • Forest Green coloured Deerhunter Chamois Short Sleeve T-Shirt on white background Forest Green coloured Deerhunter Chamois Short Sleeve T-Shirt on forest background
    Deerhunter Chamois Short Sleeve T-Shirt
    £12.95
    £29.99
    £12.95
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    Sale
  • Shadow Brown Coloured Harkila Base Mesh Crew Neck on white background Shadow Brown Coloured Harkila Base Mesh Crew Neck on house background
    Harkila Base Mesh Crew Neck
    £97.95
    £119.99
    £97.95

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    Sale
  • Atlas Red coloured Craghoppers Mens Nosilife Abel Long Sleeved T-Shirt on white background Atlas Red coloured Craghoppers Mens Nosilife Abel Long Sleeved T-Shirt on white background
    Craghoppers Mens Nosilife Abel Long Sleeved T-Shirt
    £25.95
    £45.00
    £25.95

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    Sale
  • Dark Iron coloured Craghoppers Mens NosiLife Nour Long Sleeved T-Shirt on white background Dark Iron coloured Craghoppers Mens NosiLife Nour Long Sleeved T-Shirt on mountain background
    Craghoppers Mens NosiLife Nour Long Sleeved T-Shirt
    £15.95
    £40.00
    £15.95
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    Sale
  • Light Bark Marl Coloured Ridgeline Baseline Pull On Zip Top on white background Light Bark Marl Coloured Ridgeline Baseline Pull On Zip Top on white background
    Ridgeline Baseline Pull On Zip Top
    £27.95
    £34.99
    £27.95
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  • Black coloured Helly Hansen Mens HH LIFA T-Shirt on white background Black coloured Helly Hansen Mens HH LIFA T-Shirt on white background
    Helly Hansen Mens Lifa T-Shirt
    £24.95
    £35.00
    £24.95
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    Sale
  • Multi Coloured Hard Yakka Mens Cotton Trunk Five Pack on White Background Multi Coloured Hard Yakka Mens Cotton Trunk Five Pack on White Background
    Hard Yakka Mens Cotton Trunk Five Pack
    £19.95
    £25.99
    £19.95
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  • Black coloured Percussion Megadry Sweatshirt on white background Khaki coloured Percussion Megadry Sweatshirt on white background
    Percussion Megadry Sweatshirt
    £16.95
    £20.00
    £16.95

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    Sale
  • EVO coloured Jack Pyke Roll Neck Top Evo on white background EVO coloured Jack Pyke Roll Neck Top Evo on white background
    Jack Pyke Roll Neck Top
    £15.95
    £18.95
    £15.95

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  • Black Coloured Elka Mens Crew Neck Thermal Base Layer on white background Black Coloured Elka Mens Crew Neck Thermal Base Layer on outdoor background
    Elka Mens Crew Neck Thermal Base Layer
    From £13.95
    £22.35
    From £13.95
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    Sale
  • Denim Coloured Fort Thermal Long Sleeve Vest On A White Background White Coloured Fort Thermal Long Sleeve Vest On A White Background
    Fort Thermal Long Sleeve Vest
    £5.35
    £7.95
    £5.35

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  • Blue coloured Fort Thermal Long Johns on white background Blue coloured Fort Thermal Long Johns on white background
    Fort Thermal Long Johns
    £4.95
    £7.95
    £4.95

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  • Brown coloured Northern Hunting Mens Vidar Baselayer Pants on white background Brown coloured Northern Hunting Mens Vidar Baselayer Pants on white background
    Northern Hunting Mens Vidar Baselayer Pants
    £45.00
    £45.00
    £45.00
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  • Dark Green coloured Northern Hunting Norr Vik Long Sleeve Baselayer Top on white background Dark Green coloured Northern Hunting Norr Vik Long Sleeve Baselayer Top on forest background
    Northern Hunting Norr Vik Long Sleeve Baselayer Top
    £59.00
    £59.00
    £59.00
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  • Dark Green coloured Northern Hunting Norr Fal Baselayer Pants on white background Dark Green coloured Northern Hunting Norr Fal Baselayer Pants on forest background
    Northern Hunting Norr Fal Baselayer Pants
    £59.00
    £59.00
    £59.00
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  • Dark Olive coloured Jack Pyke Mens Half Zip Sweatshirt on white background Dark Olive coloured Jack Pyke Mens Half Zip Sweatshirt on white background
    Jack Pyke Mens Half Zip Sweatshirt
    £33.50
    £37.50
    £33.50
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Men's base layers, also known as thermals or thermal underwear, are essential garments for braving the harshest climates during outdoor activities.

These base layers are designed to provide warmth and comfort by trapping body heat close to the skin. Whether you're working out on the farm in the early winter mornings or heading for a hike through the snow, these mens thermals are a must-have item.

Stocking top brands like Fort and Deerhunter, this collection holds a wide range of options, from long-sleeved tops to long johns and merino wool base layers. Each garment is made from high-quality materials with excellent moisture-wicking properties to keep you dry and regulate your body temperature, preventing you from feeling too hot or too cold.

Layering can make all the difference when it comes to effective performance, and these base layers for men are the ideal starting point. Stay warm, stay comfortable, and enjoy the great outdoors to the fullest!

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