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.
943 items
DOMYOS Women's Non-Slip Cotton Ballet Fitness Socks 500 - Black
DOMYOS Women's Non-Slip Cotton Ballet Fitness Socks 500 - Black
Rate: 4.5 stars, 3289 votes
£4.99
QUECHUA Warm Hiking Socks - SH100 U-WARM MID - 2 Pairs
QUECHUA Warm Hiking Socks SH100 U Warm 2 Pairs
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QUECHUA Warm Hiking Socks - SH100 U-WARM MID - 2 Pairs
Rate: 4.5 stars, 171 votes
2 colors
£24.99
FOUGANZA Horse Riding Socks 500 Baby - Turquoise/Green with Designs
FOUGANZA Horse Riding Socks 500 Baby - Turquoise/Green with Designs
Rate: 4.4 stars, 30 votes
£5.99
Was £7.49
KIPRUN Running Mid Socks Run 100 2-Pack
KIPRUN Comfort mid sock
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KIPRUN Running Mid Socks Run 100 2-Pack
Rate: 4.5 stars, 12128 votes
2 colors
£5.99
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 Warm Hiking Socks - SH100 X-WARM HAUTES - 2 Pairs
QUECHUA Warm Hiking Socks - SH100 X-WARM HAUTES - 2 Pairs
Rate: 4.6 stars, 96 votes
£12.99
KIPRUN 900 COMPRESSION RUNNING SOCKS
KIPRUN 900 COMPRESSION RUNNING SOCKS
Rate: 4.4 stars, 131 votes
£24.99
OLAIAN Base Layer Boxer 500 - Black
OLAIAN Base Layer Boxer 500 - Black
Rate: 4.4 stars, 67 votes
£7.99
QUECHUA Warm Hiking Socks - SH900 MOUNTAIN MID - 2 Pairs
QUECHUA Warm Hiking Socks - SH900 MOUNTAIN MID - 2 Pairs
Rate: 4.4 stars, 108 votes
£24.99
WEDZE ADULT SKI SOCKS - 500 - NAVY BLUE RED
WEDZE ADULT SKI SOCKS - 500 - NAVY BLUE RED
Rate: 4.5 stars, 1656 votes
£5.99£12.99
KALENJI Men's long seamless boxer - Dark blue
KALENJI Men's long seamless boxer - Dark blue
Rate: 5.0 stars, 2 votes
£15.99
ADIDAS High Sports Socks Tri-Pack - White
ADIDAS High Sports Socks Tri-Pack - White
Rate: 4.6 stars, 459 votes
£9.99
ARTENGO Mid Tennis Socks RS 100 Tri-Pack - Black
ARTENGO Mid Tennis Socks RS 100 Tri-Pack - White
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ARTENGO Mid Tennis Socks RS 100 Tri-Pack - Black
Rate: 4.6 stars, 64 votes
2 colors
£4.49
PUMA High Socks Tri-Pack - Black/White
PUMA High Socks Tri-Pack - Black/White
Rate: 4.6 stars, 57 votes
£7.99£9.99
VAN RYSEL Sleeveless Base Layer Ultralight Race
VAN RYSEL Sleeveless Base Layer Ultralight Race
Rate: 4.5 stars, 850 votes
£19.99
DEXSHELL Waterproof Winter Cycling Socks DS683
DEXSHELL Waterproof Winter Cycling Socks DS683
Rate: 4.5 stars, 49 votes
£24.99
ARTENGO RS 900 Mid Sports Socks Tri-Pack - Black/White
ARTENGO RS 900 Mid Sports Socks Tri-Pack - Black/White
Rate: 4.5 stars, 853 votes
£11.99
KIPRUN Running High Socks Run 900 Merino Wool - black
KIPRUN Running High Socks Run 900 Merino Wool - black
Rate: 4.5 stars, 484 votes
£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
FOUGANZA 700 Adult Horse Riding Socks - Navy
FOUGANZA 700 Adult Horse Riding Socks - Black
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FOUGANZA 700 Adult Horse Riding Socks - Navy
Rate: 4.6 stars, 698 votes
2 colors
£8.99
NEWFEEL Sportwear high socks -2-Pair Pack-White/Black Héritage DECATHLON Logo
NEWFEEL High socks - 2-Pair pack - Black
NEWFEEL High socks Decathlon Héritage logo 2-Pair Pack - White/Beige
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NEWFEEL Sportwear high socks -2-Pair Pack-White/Black Héritage DECATHLON Logo
Rate: 4.7 stars, 141 votes
3 colors
£8.99
NEWFEEL URBAN WALK Deocell tech ankle socks - pack of 2 - black
NEWFEEL URBAN WALK Deocell tech ankle socks - pack of 2 - white
NEWFEEL URBAN WALK Deocell tech ankle socks - pack of 2 - green/blue
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NEWFEEL URBAN WALK Deocell tech ankle socks - pack of 2 - black
Rate: 4.2 stars, 43 votes
3 colors
£7.99
DOMYOS Men's Cotton Boxers Twin-Pack - Grey/Red
DOMYOS Men's Cotton Boxers Twin-Pack - Grey/Red
£14.99
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, 75 votes
2 colors
£9.99£12.99
ADIDAS High Sports Socks 3-Pack Stripes - Black/White/Grey
ADIDAS High Sports Socks 3-Pack Stripes - Black/White/Grey
£12.99
OROKS IH 500 Hockey Socks
OROKS IH 500 Hockey Socks
Rate: 4.2 stars, 39 votes
£5.99
KIPRUN RUNNING SOCKS WITH FINE STRAPS - BLACK
KIPRUN STRAP THIN RUNNING SOCKS - GREY
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KIPRUN RUNNING SOCKS WITH FINE STRAPS - BLACK
Rate: 4.6 stars, 3702 votes
2 colors
£9.99
WEDZE ADULT SKI SOCKS - 900 CELLIANT©
WEDZE ADULT SKI SOCKS - 900 CELLIANT©
Rate: 4.2 stars, 124 votes
£19.99
KIPRUN RUN900 MERINO WOOL MID-CALF RUNNING SOCKS - NAVY
KIPRUN RUN900 MERINO WOOL MID-CALF RUNNING SOCKS - NAVY
Rate: 4.7 stars, 414 votes
£9.99
NEWFEEL Low Ballerina Socks - Deocell Tech URBAN WALK pack of 2 pairs - black
NEWFEEL Low Ballerina Socks - Deocell URBAN WALK pack of 2 pairs - beige nude
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NEWFEEL Low Ballerina Socks - Deocell Tech URBAN WALK pack of 2 pairs - black
Rate: 3.8 stars, 50 votes
2 colors
£6.99
KIPRUN INVISIBLE RUNNING SOCKS RUN500 X2
KIPRUN RUN500 X2 INVISIBLE RUNNING SOCKS - MAUVE
KIPRUN Running Fine Invisible Socks Run 500 x2 - pink
KIPRUN Run 500 Running Invisible Socks x2 - Pink
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KIPRUN INVISIBLE RUNNING SOCKS RUN500 X2
Rate: 4.6 stars, 15931 votes
4 colors
£2.49£5.99
SOLOGNAC PACK OF 2 PAIRS OF BREATHABLE TALL HUNTING SOCKS 100
SOLOGNAC PACK OF 2 PAIRS OF BREATHABLE TALL HUNTING SOCKS 100
Rate: 4.5 stars, 505 votes
£7.99
VAN RYSEL Summer Road Cycling Socks 500 - Purple/Magenta
VAN RYSEL Summer Road Cycling Socks 500 - Yellow/Lime
VAN RYSEL Summer Road Cycling Socks 500 - Dark Olive
VAN RYSEL Cycling Socks RoadR 500 - White and Lavender
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VAN RYSEL Summer Road Cycling Socks 500 - Purple/Magenta
Rate: 4.4 stars, 298 votes
4 colors
£9.99
OXELO Adult Inline Skating Socks 100
OXELO Adult Inline Skating Socks 100
Rate: 4.5 stars, 56 votes
£4.99
INOVIK MEN'S 900 THERMAL CROSS-COUNTRY SKIING BASE LAYER BOTTOMS
INOVIK MEN'S 900 THERMAL CROSS-COUNTRY SKIING BASE LAYER BOTTOMS
Rate: 4.5 stars, 76 votes
£24.99
KIPRUN Run900 Running 5-Finger FIne Socks - Eco-Design - Black
KIPRUN Run900 Running 5-Finger FIne Socks - Eco-Design - Black
Rate: 4.2 stars, 378 votes
£9.99
KOROK Adult Field Hockey Socks FH500 - White
KOROK Adult Field Hockey Socks FH500 - Blue
KOROK Adult Field Hockey Socks FH500 - Black
KOROK Adult Field Hockey Socks FH500 - Neon Yellow
KOROK Adult Field Hockey Socks FH500 - Neon Pink
KOROK Adult Field Hockey Socks FH500 - Red
KOROK Adult Field Hockey Socks FH500 - Green
KOROK Adult Field Hockey Socks FH500 - Neon Orange
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KOROK Adult Field Hockey Socks FH500 - White
8 colors
£9.99
SOLOGNAC Merino wool hunting socks ACT 500
SOLOGNAC Merino wool hunting socks ACT 500
Rate: 4.7 stars, 82 votes
£6.99
ARTENGO Low Sport Socks RS 900 Tri-Pack - Black/Grey
ARTENGO Low Sport Socks RS 900 Tri-Pack - Black/Grey
Rate: 4.5 stars, 176 votes
£11.99
VAN RYSEL Essential Cycling Base Layer - Black
VAN RYSEL Essential Cycling Base Layer - Black
Rate: 4.5 stars, 631 votes
£9.99
4.5/5 based on 440890 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.