Collection: 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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98 products

  • Harkila Base Mesh Crew Neck
    Shadow Brown Harkila Base Mesh Crew Neck on white background Shadow Brown Harkila Base Mesh Crew Neck on door background
    Harkila Base Mesh Crew Neck
    Regular price
    £119.99
    Regular price
    £119.99
    Sale price
    £119.99
  • Ridgeline Baseline Top
    Smokey Olive Marl Coloured Ridgeline Mens Baseline Top On A White Background Smokey Olive Marl Coloured Ridgeline Mens Baseline Top On A Field Background
    Ridgeline Baseline Top
    Regular price
    £24.95
    Regular price
    £29.99
    Sale price
    £24.95
    New Arrival
  • Icebreaker Mens Merino 260 Tech Crewe Thermal Top
    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
    Icebreaker Mens Merino 260 Tech Crewe Thermal Top
    Regular price
    £81.95
    Regular price
    £105.00
    Sale price
    £81.95
  • Harkila Gorm Long Sleeve T-Shirt
    Willow Green coloured Harkila Gorm Long Sleeve T-Shirt on white background Willow Green coloured Harkila Gorm Long Sleeve T-Shirt on white background
    Harkila Gorm Long Sleeve T-Shirt
    Regular price
    £49.99
    Regular price
    £49.99
    Sale price
    £49.99
  • Deerhunter Chamois Long Sleeve T-Shirt
    Forest Green Coloued Deerhunter Chamois Long Sleeve T-Shirt on white background Forest Green Coloued Deerhunter Chamois Long Sleeve T-Shirt on white background
    Deerhunter Chamois Long Sleeve T-Shirt
    Regular price
    £35.95
    Regular price
    £39.99
    Sale price
    £35.95
    New Arrival
  • Jack Pyke Mens Base Layer Set
    Green coloured Jack Pyke Mens Base Layer Set on white background Green coloured Jack Pyke Mens Base Layer Set on white background
    Jack Pyke Mens Base Layer Set
    Regular price
    £23.95
    Regular price
    £27.95
    Sale price
    £23.95
  • TuffStuff Basewear Long Sleeve T-Shirt
    Black Coloured TuffStuff Basewear Long Sleeve T-Shirt On A White Background Black Coloured TuffStuff Basewear Long Sleeve T-Shirt On A Fitting Room Background
    TuffStuff Basewear Long Sleeve T-Shirt
    Regular price
    £8.45
    Regular price
    £12.95
    Sale price
    £8.45
  • Line 7 Merino Leggings
    Midnight Coloured Line 7 Merino Leggings on white background Midnight Coloured Line 7 Merino Leggings on white background
    Line 7 Merino Leggings
    Regular price
    £54.99
    Regular price
    £54.99
    Sale price
    £54.99
  • Deerhunter Climate Half Zip Long Sleeve T-Shirt With 37.5 Technology
    Forest Ember coloured Deerhunter Climate Half Zip Long Sleeve T-Shirt with 37.5® Technology on white background Forest Ember coloured Deerhunter Climate Half Zip Long Sleeve T-Shirt with 37.5® Technology on white background
    Deerhunter Climate Half Zip Long Sleeve T-Shirt With 37.5 Technology
    Regular price
    £62.99
    Regular price
    £69.99
    Sale price
    £62.99
    New Arrival
  • Icebreaker Merino 200 Flexi Chute
    Black Coloured Icebreaker Unisex Merino 200 Flexi Chute on white background Black Coloured Icebreaker Unisex Merino 200 Flexi Chute on white background
    Icebreaker Merino 200 Flexi Chute
    Regular price
    £24.99
    Regular price
    £27.00
    Sale price
    £24.99
    Add to cart
  • Icebreaker Mens Merino 260 Tech Thermal Leggings
    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
    Regular price
    £89.49
    Regular price
    £105.00
    Sale price
    £89.49
  • Icebreaker Mens Merino 200 Oasis Crewe Short Sleeve Thermal Top
    Black Coloured Icebreaker Mens Merino 200 Oasis Crewe Short Sleeve Thermal Top on white background Black Coloured Icebreaker Mens Merino 200 Oasis Crewe Short Sleeve Thermal Top on white background
    Icebreaker Mens Merino 200 Oasis Crewe Short Sleeve Thermal Top
    Regular price
    £57.95
    Regular price
    £75.00
    Sale price
    £57.95
  • Seeland Active Camo Long Sleeve T-Shirt
    InVis Green Coloured Seeland Active Camo Long Sleeve T-Shirt On A White Background InVis Green Coloured Seeland Active Camo Long Sleeve T-Shirt On A Forest Background
    Seeland Active Camo Long Sleeve T-Shirt
    Regular price
    £59.99
    Regular price
    £59.99
    Sale price
    £59.99
  • Harkila Base Warm Long Johns
    Willow Green/Shadow Brown coloured Harkila Base Warm Long Johns on white bachground Willow Green/Shadow Brown coloured Harkila Base Warm Long Johns on white bachground
    Harkila Base Warm Long Johns
    Regular price
    £109.99
    Regular price
    £109.99
    Sale price
    £109.99
  • Harkila Base Mesh Long Johns
    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
    Regular price
    £109.99
    Regular price
    £109.99
    Sale price
    £109.99
  • Harkila Base All Season Side Zip Long Johns
    Shadow Brown Harkila Base All Season Side Zip Long Johns on white background Shadow Brown Harkila Base All Season Side Zip Long Johns on Blurry background
    Harkila Base All Season Side Zip Long Johns
    Regular price
    £129.99
    Regular price
    £129.99
    Sale price
    £129.99
  • Harkila Base Active Long Johns
    Dark Willow Green Harkila Base Active Long Johns on white background Dark Willow Green Harkila Base Active Long Johns on white background
    Harkila Base Active Long Johns
    Regular price
    £84.99
    Regular price
    £84.99
    Sale price
    £84.99
  • Harkila Mountain Hunter Expedition T-Shirt
    AXIS Mountain coloured Harkila Mountain Hunter Expedition T-Shirt on white background AXIS Mountain coloured Harkila Mountain Hunter Expedition T-Shirt on mountain background
    Harkila Mountain Hunter Expedition T-Shirt
    Regular price
    £79.99
    Regular price
    £79.99
    Sale price
    £79.99
  • Harkila Moose Hunter 2.0 T-Shirt
    Mossy Oak Break-up Country coloured Harkila Moose Hunter 2.0 T-Shirt on white background Mossy Oak Break-up Country coloured Harkila Moose Hunter 2.0 T-Shirt on woodland background
    Harkila Moose Hunter 2.0 T-Shirt
    Regular price
    £79.99
    Regular price
    £79.99
    Sale price
    £79.99
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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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