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Men's Underwear & Underlayers
For any outdoor activity, what you wear next to the skin can make all the difference to your comfort. At Decathlon you’ll find a range of breathable and insulating men’s underwear, underlayers and base layers to layer up correctly.
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154 items
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socks
56
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24
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22
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16
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09
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06
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05
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02
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19
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13
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13
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11
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08
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08
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07
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06
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05
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04
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46
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24
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20
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17
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13
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11
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09
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05
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05
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04
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170
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154
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84
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76
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67
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57
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Clear all (1)
Gallery item 1 out of 2
WEDZE Men's ski base layer top - BL 100 - Black
4.6
9355
Rate: 4.6 stars, 9355 votes
2 colors
£5.99
£7.99
WEDZE M Ski Thermal Base Layer Bottoms - BL 100 - Black
4.6
4431
Rate: 4.6 stars, 4431 votes
£5.99
£7.99
WEDZE Men’s Ski Base Layer Bottoms - BL 500 - Black
4.7
523
Rate: 4.7 stars, 523 votes
£14.99
Gallery item 1 out of 3
KALENJI Men's Breathable microfibre boxers - Olive
4.5
24457
Rate: 4.5 stars, 24457 votes
3 colors
£5.99
Gallery item 1 out of 4
WEDZE MEN’S THERMAL SKI BASE LAYER TOP - BL 500 - WHITE
4.7
1324
Rate: 4.7 stars, 1324 votes
4 colors
£14.99
Gallery item 1 out of 2
KIPSTA Adult Long-Sleeved Thermal Football Base Layer Top Keepcomfort 100 - Black
4.6
969
Rate: 4.6 stars, 969 votes
2 colors
£9.99
DECATHLON Men's Breathable Microfibre Boxers Tri-Pack - Dark Blue/Blue/Khaki
£14.99
Was £17.99
Gallery item 1 out of 2
KIPSTA Adult Football Undershorts Keepcomfort - Black
4.5
343
Rate: 4.5 stars, 343 votes
2 colors
£7.99
Was £9.99
KALENJI Men's breathable briefs - Dark blue
4.3
544
Rate: 4.3 stars, 544 votes
£5.99
Gallery item 1 out of 3
VAN RYSEL Cycling Summer Training Base Layer - White/Blue
4.6
2681
Rate: 4.6 stars, 2681 votes
3 colors
£13.99
SOLOGNAC BASE LAYER FLEECE TROUSERS 500 BROWN
4.4
25
Rate: 4.4 stars, 25 votes
£24.99
Gallery item 1 out of 11
KIPSTA Adult Long-Sleeved Thermal Base Layer Top Keepdry 500 - Yellow
4.7
4330
Rate: 4.7 stars, 4330 votes
11 colors
£9.99
£17.99
Gallery item 1 out of 7
TCA Men's HyperFusion Breathable Base Layer Compression T-shirt - Cadmium Green
7 colors
Sold and shipped by Thorogood Sports Ltd
£16.99
Gallery item 1 out of 5
KIPSTA Adult Short-Sleeved Football Base Layer Keepdry - Red
4.7
768
Rate: 4.7 stars, 768 votes
5 colors
£14.99
OUTSHOCK MMA / Grappling 500 Rashguard
4.6
55
Rate: 4.6 stars, 55 votes
£27.99
Gallery item 1 out of 2
INESIS Men's Thermal base layer for golf - CW500 navy blue
4.8
291
Rate: 4.8 stars, 291 votes
2 colors
£19.99
Gallery item 1 out of 2
WEDZE Men's BL 520 thermal base layer roll neck ski top - light grey
4.7
250
Rate: 4.7 stars, 250 votes
2 colors
£19.99
OFFLOAD Men's Long-Sleeved Rugby Base Layer Top R500 - Black
4.9
25
Rate: 4.9 stars, 25 votes
£14.99
SHIMANO Overshoes Dual Rain
4
1
Rate: 4.0 stars, 1 votes
£29.99
£39.99
DOMYOS Men's Cotton Boxers Tri-Pack - Black/Grey/Blue
£19.99
SOLOGNAC BASE LAYER FLEECE JACKET 500 BROWN
4.5
11
Rate: 4.5 stars, 11 votes
£24.99
SURFANIC Bodyfit Pro Zip Neck Black
Sold and shipped by Surfanic
£30.00
£69.99
INOVIK MEN'S 900 THERMAL CROSS-COUNTRY SKIING BASE LAYER BOTTOMS
4.5
73
Rate: 4.5 stars, 73 votes
£24.99
Gallery item 1 out of 3
INOVIK MEN’S THERMAL CROSS-COUNTRY SKI BASE LAYER 900 – BLACK RED
4.6
129
Rate: 4.6 stars, 129 votes
3 colors
£14.99
£19.99
Gallery item 1 out of 11
TCA Men's Performance Base Layer Compression Top - Mock - Darkest Spruce
5
1
Rate: 5.0 stars, 1 votes
11 colors
Sold and shipped by Thorogood Sports Ltd
£18.99
PUMA PUMA ACTIVE SPORT BOXER (PACK OF 2)
Sold and shipped by Bowls4u T/A 4U Trading Group
£26.22
Gallery item 1 out of 7
TCA Men's HyperFusion Breathable Base Layer Compression Top - Lime Punch
5
1
Rate: 5.0 stars, 1 votes
7 colors
Sold and shipped by Thorogood Sports Ltd
£18.99
Gallery item 1 out of 7
TCA Men's HyperFusion Breathable Base Layer Compression Top - Mock - Lime Punch
7 colors
Sold and shipped by Thorogood Sports Ltd
£18.99
FORCLAZ Men's MT500 mountain trekking Merino wool boxer shorts
4.7
10
Rate: 4.7 stars, 10 votes
£17.99
SOLOGNAC BASE LAYER FLEECE JACKET 100 - GREEN
4.6
673
Rate: 4.6 stars, 673 votes
£14.99
Gallery item 1 out of 2
SURFANIC CarbonDri Bodyfit Crewneck Dark Khaki
2 colors
Sold and shipped by Surfanic
£19.99
£30.00
SURFANIC Bodyfit Limited Edition Zip Neck Geo Camo
Sold and shipped by Surfanic
£18.00
£40.00
Gallery item 1 out of 4
SURFANIC Bodyfit Limited Edition Crewneck White Out Print
4 colors
Sold and shipped by Surfanic
£15.00
£35.00
Gallery item 1 out of 2
BRIDGEDALE LINER Base Layer Merino Performance Boot Women's - Dark Grey
2 colors
Sold and shipped by Sock Snob UK
£16.31
£16.99
DEXSHELL Waterproof Winter Cycling Socks DS683
4.5
49
Rate: 4.5 stars, 49 votes
£24.99
Gallery item 1 out of 2
VAN RYSEL Road Cycling Base Layer Training - Khaki
4.6
2282
Rate: 4.6 stars, 2282 votes
2 colors
£17.99
KALENJI Men's long seamless boxer - Dark blue
£15.99
WEDZE Men’s Seamless Ski Base Layer I-Soft Top - BL 580 - Black/Blue
4.6
1265
Rate: 4.6 stars, 1265 votes
£17.99
£27.99
GUNN AND MOORE GM Cricket Batting Boxer Short Adult
5
1
Rate: 5.0 stars, 1 votes
£11.99
OLAIAN Base Layer Boxer 500 - Black
4.4
65
Rate: 4.4 stars, 65 votes
£7.99
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