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Men's Base Layers

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Icebreaker Mens 260 Tech Base Layer Crewe Top BlackIcebreaker Mens 260 Tech Base Layer Crewe Top Black
Extended Sizes
Icebreaker Mens 260 Tech Base Layer Crewe Top
143
£105.00
1 colour available
More sizes available
Icebreaker Mens 200 Oasis Base Layer Bottom BlackIcebreaker Mens 200 Oasis Base Layer Bottom Black
Extended Sizes
Icebreaker Mens 200 Oasis Base Layer Bottom
79
£85.00
1 colour available
More sizes available
Icebreaker Mens 200 Oasis Base Layer Top BlackIcebreaker Mens 200 Oasis Base Layer Top Black
Extended Sizes
Icebreaker Mens 200 Oasis Base Layer Top
212
£85.00
4 colours available
More sizes available
Helly Hansen Mens Lifa Merino Midweight 2 In1 Base Layer Bottom Black
Extended Sizes
Helly Hansen Mens Lifa Merino Midweight 2 In1 Base Layer Bottom
8
£80.00
1 colour available
SMLXLXXL
Icebreaker Mens 260 Base Layer Bottom Black/ MonsoonIcebreaker Mens 260 Base Layer Bottom Black/ Monsoon
Extended Sizes
Icebreaker Mens 260 Base Layer Bottom
91
£105.00
1 colour available
More sizes available
Icebreaker Mens 260 Tech Half Zip Top Gritstone Heather-013Icebreaker Mens 260 Tech Half Zip Top Gritstone Heather-013
Extended Sizes
Icebreaker Mens 260 Tech Half Zip Top
0
£125.00
2 colours available
More sizes available
Helly Hansen Mens Lifa Merino Midweight Crew Base Layer Top ConcreteHelly Hansen Mens Lifa Merino Midweight Crew Base Layer Top Concrete
Extended Sizes
Helly Hansen Mens Lifa Merino Midweight Crew Base Layer Top
39
£85.00
2 colours available
SMLXLXXL
Montane Mens Dart XT Zip Neck Base Layer Top CaperMontane Mens Dart XT Zip Neck Base Layer Top Caper
Extended Sizes
Montane Mens Dart XT Zip Neck Base Layer Top
7
£70.00
5 colours available
More sizes available
Helly Hansen Mens Lifa Lighweight Base Layer Bottom BlackHelly Hansen Mens Lifa Lighweight Base Layer Bottom Black
Extended Sizes
Helly Hansen Mens Lifa Lighweight Base Layer Bottom
60
£40.00
1 colour available
SMLXLXXL
Ayacucho Mens Baselayer Long Bottoms MossAyacucho Mens Baselayer Long Bottoms Moss
-20%
Extended Sizes
Ayacucho Mens Baselayer Long Bottoms
5
RRP: £55.00
£44.00
2 colours available
SMLXLXXL
Helly Hansen Mens Lifa Merino Midweight Half-Zip Base Layer Top Alpine FrostHelly Hansen Mens Lifa Merino Midweight Half-Zip Base Layer Top Alpine Frost
Extended Sizes
Helly Hansen Mens Lifa Merino Midweight Half-Zip Base Layer Top
30
£90.00
3 colours available
SMLXLXXL
Icebreaker Mens 200 Oasis Long Sleeve Half Zip Thermal Top BlackIcebreaker Mens 200 Oasis Long Sleeve Half Zip Thermal Top Black
Extended Sizes
Icebreaker Mens 200 Oasis Long Sleeve Half Zip Thermal Top
0
£95.00
1 colour available
More sizes available
Helly Hansen Mens Lifa Merino Midweight Base Layer Top Off WhiteHelly Hansen Mens Lifa Merino Midweight Base Layer Top Off White
Extended Sizes
Helly Hansen Mens Lifa Merino Midweight Base Layer Top
0
£90.00
1 colour available
SMLXLXXL
Helly Hansen Mens Lifa Active Stripe Crew Baselayer Top Cobalt 2.0Helly Hansen Mens Lifa Active Stripe Crew Baselayer Top Cobalt 2.0
Extended Sizes
Helly Hansen Mens Lifa Active Stripe Crew Baselayer Top
10
£50.00
1 colour available
SMLXLXXL
Montane Mens Dart XT Zip Neck Base Layer Top Midnight GreyMontane Mens Dart XT Zip Neck Base Layer Top Midnight Grey
Extended Sizes
Montane Mens Dart XT Zip Neck Base Layer Top
7
£70.00
5 colours available
More sizes available
Ayacucho Mens Baselayer Long Bottoms BlackAyacucho Mens Baselayer Long Bottoms Black
Extended Sizes
Ayacucho Mens Baselayer Long Bottoms
5
£55.00
2 colours available
SMLXLXXL
Icebreaker Mens 260 Tech Half Zip Top BlackIcebreaker Mens 260 Tech Half Zip Top Black
Extended Sizes
Icebreaker Mens 260 Tech Half Zip Top
0
£125.00
2 colours available
More sizes available
Helly Hansen Mens Lifa Merino Midweight Half-Zip Base Layer Top NavyHelly Hansen Mens Lifa Merino Midweight Half-Zip Base Layer Top Navy
Extended Sizes
Helly Hansen Mens Lifa Merino Midweight Half-Zip Base Layer Top
30
£90.00
3 colours available
SMLXLXXL
Helly Hansen Mens Lifa Merino Midweight Half-Zip Base Layer Top CactusHelly Hansen Mens Lifa Merino Midweight Half-Zip Base Layer Top Cactus
Extended Sizes
Helly Hansen Mens Lifa Merino Midweight Half-Zip Base Layer Top
30
£90.00
3 colours available
SMLXLXXL
Rab Mens Conduit Pull-On InkRab Mens Conduit Pull-On Ink
Extended Sizes
Online Exclusive
Rab Mens Conduit Pull-On
28
£70.00
2 colours available
SMLXLXXL
Helly Hansen Mens Lifa Active Base Layer Bottom NavyHelly Hansen Mens Lifa Active Base Layer Bottom Navy
Extended Sizes
Helly Hansen Mens Lifa Active Base Layer Bottom
14
£45.00
1 colour available
SMLXLXXL
Icebreaker Mens Zoneknit 260 Leggings Black/Jet Hthr/CbIcebreaker Mens Zoneknit 260 Leggings Black/Jet Hthr/Cb
Extended Sizes
Icebreaker Mens Zoneknit 260 Leggings
3
£125.00
1 colour available
SMLXLXXL
Icebreaker Mens Original Half Zip Top BlackIcebreaker Mens Original Half Zip Top Black
Extended Sizes
Icebreaker Mens Original Half Zip Top
0
£150.00
1 colour available
More sizes available
Rab Mens Conduit Pull-On BelugaRab Mens Conduit Pull-On Beluga
Extended Sizes
Rab Mens Conduit Pull-On
28
£70.00
2 colours available
SMLXLXXL
Icebreaker Mens Anatomica Boxer Briefs Black
-20%
Extended Sizes
Icebreaker Mens Anatomica Boxer Briefs
3
RRP: £40.00
£32.00
1 colour available
SLXLXXL
Icebreaker Mens Zoneknit 260 Long Sleeve Half Zip Top Jet Hthr/Black/Metro Hthr/CbIcebreaker Mens Zoneknit 260 Long Sleeve Half Zip Top Jet Hthr/Black/Metro Hthr/Cb
Extended Sizes
Icebreaker Mens Zoneknit 260 Long Sleeve Half Zip Top
9
£135.00
1 colour available
SMLXLXXL
Rab Mens Conduit Crew Baselayer Light KhakiRab Mens Conduit Crew Baselayer Light Khaki
Extended Sizes
Rab Mens Conduit Crew Baselayer
22
£60.00
1 colour available
SMLXLXXL
Icebreaker Mens 200 Oasis Crewe T-Shirt BlackIcebreaker Mens 200 Oasis Crewe T-Shirt Black
Extended Sizes
Icebreaker Mens 200 Oasis Crewe T-Shirt
25
£75.00
1 colour available
SMLXLXXL
Icebreaker Mens 200 Oasis Base Layer Top Midnight NavyIcebreaker Mens 200 Oasis Base Layer Top Midnight Navy
Extended Sizes
Icebreaker Mens 200 Oasis Base Layer Top
212
£85.00
4 colours available
SMLXLXXL
Icebreaker Mens 200 Oasis Legless Base Layer Bottom BlackIcebreaker Mens 200 Oasis Legless Base Layer Bottom Black
Extended Sizes
Icebreaker Mens 200 Oasis Legless Base Layer Bottom
2
£75.00
1 colour available
SMLXLXXL
Odlo Mens Performance Light Eco Base Layer Bottom BlackOdlo Mens Performance Light Eco Base Layer Bottom Black
Odlo Mens Performance Light Eco Base Layer Bottom
0
£55.00
2 colours available
SMLXL
Odlo Mens Performance Light Eco Long Sleeve Base Layer Top Grey MelangeOdlo Mens Performance Light Eco Long Sleeve Base Layer Top Grey Melange
Odlo Mens Performance Light Eco Long Sleeve Base Layer Top
0
£55.00
2 colours available
SMLXL
Ayacucho Mens Longsleeve Baselayer Moss
Extended Sizes
Ayacucho Mens Longsleeve Baselayer
15
£55.00
2 colours available
SMXLXXL
Odlo Mens Performance Light Eco Base Layer Bottom India InkOdlo Mens Performance Light Eco Base Layer Bottom India Ink
Odlo Mens Performance Light Eco Base Layer Bottom
0
£50.00
2 colours available
SMLXL
Icebreaker Mens Zoneknit 260 Long Sleeve Half Zip Top Algae/Ashen/CbIcebreaker Mens Zoneknit 260 Long Sleeve Half Zip Top Algae/Ashen/Cb
Extended Sizes
Icebreaker Mens Zoneknit 260 Long Sleeve Half Zip Top
0
£135.00
1 colour available
SMLXL
Icebreaker Mens 200 Oasis Base Layer Top Gritstone Heather IIIcebreaker Mens 200 Oasis Base Layer Top Gritstone Heather II
Extended Sizes
Icebreaker Mens 200 Oasis Base Layer Top
212
£85.00
4 colours available
SMLXLXXL
Icebreaker Mens 200 Oasis Long Sleeve Crewe Top LodenIcebreaker Mens 200 Oasis Long Sleeve Crewe Top Loden
Extended Sizes
Icebreaker Mens 200 Oasis Long Sleeve Crewe Top
18
£85.00
1 colour available
SMLXLXXL
Helly Hansen Mens Lifa Merino Midweight Crew Base Layer Top BlackHelly Hansen Mens Lifa Merino Midweight Crew Base Layer Top Black
Extended Sizes
Helly Hansen Mens Lifa Merino Midweight Crew Base Layer Top
39
£85.00
2 colours available
SXLXXL
Patagonia Mens Long Sleeved Capilene Cool Merino Graphic Base Layer Top Fitz Roy Strata: Redtail RustPatagonia Mens Long Sleeved Capilene Cool Merino Graphic Base Layer Top Fitz Roy Strata: Redtail Rust
Patagonia Mens Long Sleeved Capilene Cool Merino Graphic Base Layer Top
0
£85.00
1 colour available
SMLXL
Montane Mens Dart XT Zip Neck Base Layer Top BlackMontane Mens Dart XT Zip Neck Base Layer Top Black
Online Exclusive
Montane Mens Dart XT Zip Neck Base Layer Top
7
£70.00
5 colours available
MLXL
Ayacucho Mens Longsleeve Baselayer BlackAyacucho Mens Longsleeve Baselayer Black
Extended Sizes
Ayacucho Mens Longsleeve Baselayer
15
£55.00
2 colours available
MXLXXL
Helly Hansen Mens LIFA Active Crew Base Layer Top NavyHelly Hansen Mens LIFA Active Crew Base Layer Top Navy
Extended Sizes
Helly Hansen Mens LIFA Active Crew Base Layer Top
23
£50.00
1 colour available
SXLXXL
Icebreaker Mens 260 Tech Long Sleeve Half Zip Top BlackIcebreaker Mens 260 Tech Long Sleeve Half Zip Top Black
Extended Sizes
Icebreaker Mens 260 Tech Long Sleeve Half Zip Top
130
£110.00
1 colour available
SXLXXL
Odlo Mens Performance Light Eco Long Sleeve Base Layer Top India InkOdlo Mens Performance Light Eco Long Sleeve Base Layer Top India Ink
Odlo Mens Performance Light Eco Long Sleeve Base Layer Top
0
£50.00
2 colours available
SLXL
Helly Hansen Mens Stripe Crew Long Sleeve Base Layer Top Black / White StripesHelly Hansen Mens Stripe Crew Long Sleeve Base Layer Top Black / White Stripes
Extended Sizes
Helly Hansen Mens Stripe Crew Long Sleeve Base Layer Top
76
£40.00
1 colour available
SMXLXXL
Icebreaker Mens 200 Sonebula Base layer Bottom MDNGHT NVY/SNOW/CBIcebreaker Mens 200 Sonebula Base layer Bottom MDNGHT NVY/SNOW/CB
-50%
Extended Sizes
Icebreaker Mens 200 Sonebula Base layer Bottom
1
RRP: £95.00
£47.50
1 colour available
SXXL
Norrona Mens Falketind Equaliser Merino Top Arednalin/RhubarbNorrona Mens Falketind Equaliser Merino Top Arednalin/Rhubarb
-30%
Norrona Mens Falketind Equaliser Merino Top
1
RRP: £89.00
£62.30
2 colours available
SXL
Rab Mens Modulus Leggings BlackRab Mens Modulus Leggings Black
Rab Mens Modulus Leggings
0
£70.00
1 colour available
SM
Arc'teryx Mens Ionia Merino Wool Long Sleeve T-Shirt RuneArc'teryx Mens Ionia Merino Wool Long Sleeve T-Shirt Rune
Arc'teryx Mens Ionia Merino Wool Long Sleeve T-Shirt
2
£110.00
1 colour available
SM
Icebreaker Mens 200 Oasis Base Layer Top LazuriteIcebreaker Mens 200 Oasis Base Layer Top Lazurite
-50%
Extended Sizes
Icebreaker Mens 200 Oasis Base Layer Top
212
RRP: £85.00
£42.50
4 colours available
XXL
Saxx Mens Kinetic Long Leg Boxer Briefs BlackSaxx Mens Kinetic Long Leg Boxer Briefs Black
-20%
Saxx Mens Kinetic Long Leg Boxer Briefs
5
RRP: £32.00
£25.60
1 colour available
S
23

READ: Your Guide To The Layering System / Base Layer Buying Guide

 

Our selection of men's base layers are ideal for any outdoor activity. We have quick drying and breathable base layers from high quality outdoor brands like Saxx and Icebreaker in a range of styles and sizes to make sure you're comfortable during exercise.

 

Ideal to wear on their own or as part of a layering system in cooler weather, they're an essential piece of outdoor kit. If you're searching for a thermal base layer to help retain body heat during your next adventure, you'll find an impressive selection of men's base layers made from highly insulating fabrics for maximum comfort. Complete your look with a pair of base layer shorts and leggings and you're ready to go - they're practical for activities such as walking, hiking or climbing in all weathers.