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.
27 items
QUECHUA Sock Hike 50 High - Pack of 2 pairs - Grey
QUECHUA Sock Hike 50 High - Pack of 2 pairs - Grey
Rate: 4.5 stars, 1587 votes
£5.99
QUECHUA Hiking Socks Hike 500 Mid 2-Pack - grey yellow
QUECHUA Hiking socks - Hike 500 Mid Black x2 pairs
QUECHUA Hiking Socks Hike 500 Mid x2 Pairs - Grey and Red
QUECHUA Hiking socks - Hike 500 Mid x2 pairs Mint Green
Gallery item 1 out of 4
QUECHUA Hiking Socks Hike 500 Mid 2-Pack - grey yellow
Rate: 4.6 stars, 2725 votes
4 colors
£12.99
QUECHUA Sock Hike 100 High - Pack of 2 Pairs - Linen and Terracotta
QUECHUA Sock Hike 100 High 2-Pack - black
QUECHUA Sock Hike 100 High - Pack of 2 pairs - Grey and Blue
QUECHUA Hike 100 High Socks - Trendy stripes and blue - Pack of 2 pairs
QUECHUA Hike 100 High Socks Limited Edition Pack of 2 Pairs - Khaki and Brown
QUECHUA Sock Hike 100 High - Pack of 2 pairs - Grey and Blue
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QUECHUA Sock Hike 100 High - Pack of 2 Pairs - Linen and Terracotta
Rate: 4.5 stars, 2680 votes
6 colors
£8.99
QUECHUA Hiking Socks Hike 900 High 2-Pack - khaki
QUECHUA Hiking socks - Hike 900 High black - pack of 2 pairs
QUECHUA Hiking socks - Hike 900 High Blue - Pack of 2 pairs
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QUECHUA Hiking Socks Hike 900 High 2-Pack - khaki
Rate: 4.5 stars, 2190 votes
3 colors
£24.99
QUECHUA Hike 100 Mid Socks – Brown and Grey – Pack of 2 pairs
QUECHUA Socks Hike 100 Mid 2-Pack - black
QUECHUA Hike 100 Mid Socks - Pink and Grey- Pack of 2
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QUECHUA Hike 100 Mid Socks – Brown and Grey – Pack of 2 pairs
Rate: 4.6 stars, 1449 votes
3 colors
£6.99
QUECHUA Hiking Socks Hike 500 High Trendy Mountain & Kamo x2 Pairs
QUECHUA Hiking Socks Hike 500 High Trendy x2 Pairs - Purple & Kamo
QUECHUA Hiking socks - Hike 500 High Trendy Kamo x2 pairs
QUECHUA Hiking socks - Hike 500 High Blue x2 pairs
QUECHUA Hiking socks - Hike 500 High x2 pairs Turquoise
QUECHUA Hiking socks - Hike 500 High Black x2 pairs
QUECHUA Hiking socks - Hike 500 High Beige x2 pairs
QUECHUA Hiking socks - Hike 500 High Bordeaux x2pairs
QUECHUA Hiking socks - Hike 500 High Coral x2 pairs
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QUECHUA Hiking Socks Hike 500 High Trendy Mountain & Kamo x2 Pairs
Rate: 4.5 stars, 2964 votes
9 colors
£14.99
QUECHUA Warm Hiking Socks - SH100 MID - 2 Pairs
QUECHUA Warm Hiking Socks - SH100 MID - 2 Pairs
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QUECHUA Warm Hiking Socks - SH100 MID - 2 Pairs
Rate: 4.6 stars, 2746 votes
2 colors
£8.99
QUECHUA Hiking socks - Hike 520 Double High Navy x 2 pairs
QUECHUA Hiking socks - Hike 520 Double High Grey x2 pairs
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QUECHUA Hiking socks - Hike 520 Double High Navy x 2 pairs
Rate: 4.3 stars, 2236 votes
2 colors
£17.99
QUECHUA Warm Hiking Socks SH500 Mid 2 Pairs
QUECHUA Warm Hiking Socks SH500 Mid 2 Pairs
QUECHUA Warm Hiking Socks SH500 Mid 2 Pairs
QUECHUA Warm Hiking Socks SH500 Mid 2 Pairs
QUECHUA Warm Hiking Socks - SH500 ULTRA-WARM MID - 2 Pairs
QUECHUA Warm Hiking Socks SH500 Mid 2 Pairs
QUECHUA Warm Hiking Socks - SH500 ULTRA-WARM MID - 2 Pairs
QUECHUA Warm Hiking Socks SH500 Mid 2 Pairs
QUECHUA Warm Hiking Socks - SH500 ULTRA-WARM MID - 2 Pairs
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QUECHUA Warm Hiking Socks SH500 Mid 2 Pairs
Rate: 4.6 stars, 4131 votes
9 colors
£7.99£12.99
QUECHUA Warm Hiking Socks - SH100 X-WARM HAUTES - 2 Pairs
QUECHUA Warm Hiking Socks - SH100 X-WARM HAUTES - 2 Pairs
Rate: 4.6 stars, 92 votes
£12.99
QUECHUA Hiking Socks Hike 900 Mid 2-Pack - black
QUECHUA Hiking Socks Hike 900 Mid 2-Pack - grey
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QUECHUA Hiking Socks Hike 900 Mid 2-Pack - black
Rate: 4.6 stars, 624 votes
2 colors
£19.99
QUECHUA Socks Hike 100 Low 2-Pack - black
QUECHUA Sock Hike 100 Low 2-Pack - grey
QUECHUA Hike 100 Low Socks - Light Blue- Pack of 2 pairs
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QUECHUA Socks Hike 100 Low 2-Pack - black
Rate: 4.6 stars, 1284 votes
3 colors
£5.99
QUECHUA Warm hiking socks - SH100 MID JACQUARD - 2 pairs
QUECHUA Warm hiking socks - SH100 MID JACQUARD - 2 pairs
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QUECHUA Warm hiking socks - SH100 MID JACQUARD - 2 pairs
Rate: 4.2 stars, 73 votes
2 colors
£9.99£12.99
QUECHUA Trek Altitude Socks - Lilac (1 pair)
QUECHUA Trek Altitude Socks (pack of 1 pair) - Black
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QUECHUA Trek Altitude Socks - Lilac (1 pair)
Rate: 4.4 stars, 55 votes
2 colors
£19.99
QUECHUA Warm Hiking Socks - SH500 MOUNTAIN MID - 2 Pairs
QUECHUA Warm Hiking Socks - SH500 MOUNTAIN MID - 2 Pairs
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QUECHUA Warm Hiking Socks - SH500 MOUNTAIN MID - 2 Pairs
Rate: 4.4 stars, 2632 votes
2 colors
£14.99
QUECHUA Warm Hiking Socks - SH100 U-WARM MID - 2 Pairs
QUECHUA Warm Hiking Socks SH100 U Warm 2 Pairs
Gallery item 1 out of 2
QUECHUA Warm Hiking Socks - SH100 U-WARM MID - 2 Pairs
Rate: 4.5 stars, 170 votes
2 colors
£24.99
QUECHUA Sock Hike 50 Mid 2-Pack - navy
QUECHUA Sock Hike 50 Mid - Pack of 2 pairs - Grey
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QUECHUA Sock Hike 50 Mid 2-Pack - navy
Rate: 4.6 stars, 1590 votes
2 colors
£4.49
QUECHUA Hike 100 High Socks - Beige Burgundy-Lyocell& Linen-Pack of 2 pairs
QUECHUA Hike 100 High Socks - Beige Burgundy-Lyocell& Linen-Pack of 2 pairs
£8.99
QUECHUA Refurbished Trek Altitude Socks - Lilac (1 Pair) - B Grade
QUECHUA Refurbished Trek Altitude Socks - Lilac (1 Pair) - B Grade
Sold and shipped by Decathlon UK - Second Life
£15.99£19.99
QUECHUA Warm Hiking Socks - SH900 MOUNTAIN MID - 2 Pairs
QUECHUA Warm Hiking Socks - SH900 MOUNTAIN MID - 2 Pairs
Rate: 4.4 stars, 107 votes
£24.99
QUECHUA Country walking Mid socks NH 100 X 2 pairs - Blue
QUECHUA Country walking socks - NH 100 Mid - X 2 pairs - Linen
QUECHUA Walking Mid Socks - 2 Pack - Navy
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QUECHUA Country walking Mid socks NH 100 X 2 pairs - Blue
Rate: 4.5 stars, 9046 votes
3 colors
£1.69
Out of stock
QUECHUA Mid-Length Walking Socks 2 Pairs - Black
QUECHUA Mid-Length Walking Socks 2 Pairs - Black
Rate: 4.4 stars, 3391 votes
£4.99
Out of stock
QUECHUA 2 pairs of Arpenaz 100 adult grey low-top nature hiking socks
QUECHUA 2 Pairs of Arpenaz 100 Adult low-top nature hiking socks - pink
QUECHUA Country Walking Socks - 2 Pairs - Black
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QUECHUA 2 pairs of Arpenaz 100 adult grey low-top nature hiking socks
Rate: 4.5 stars, 2787 votes
3 colors
£3.99
Out of stock
QUECHUA 2 pairs of adult’s medium Arpenaz 100 hiking socks - Blue
QUECHUA 2 pairs of adult’s short Arpenaz 100 hiking socks in pink.
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QUECHUA 2 pairs of adult’s medium Arpenaz 100 hiking socks - Blue
Rate: 4.5 stars, 2258 votes
2 colors
£4.99
Out of stock
QUECHUA Arpenaz 100 Adult High Top Nature Hiking Socks 2 pairs - Grey
QUECHUA High Walking Socks 2 Pairs - Black
Gallery item 1 out of 2
QUECHUA Arpenaz 100 Adult High Top Nature Hiking Socks 2 pairs - Grey
Rate: 4.5 stars, 5203 votes
2 colors
£5.99
Out of stock
QUECHUA Warm Hiking Socks - SH100 X-WARM HAUTES - 2 Pairs
QUECHUA Warm Hiking Socks - SH100 X-WARM HAUTES - 2 Pairs
Rate: 4.3 stars, 849 votes
£7.99
Out of stock
QUECHUA Warm Hiking Socks - SH500 U-WARM MID - 2 Pairs
QUECHUA Warm Hiking Socks - SH500 U-WARM MID - 2 Pairs
Rate: 4.3 stars, 5387 votes
£12.99
Out of stock
4.5/5 based on 58256 reviews collected online and in stores

Underwear you can wear to run, jump and play

Welcome to Decathlon's men's innerwear and thermals page. No matter if you do sport every day or occasionally we have the right clothes and equipment to meet your needs. Our men's innerwear and thermals are designed for different sports and intensity. Discover the range for cycling, running, skiing, football and other sports now.