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.
49 items
KALENJI Men's Breathable microfibre boxers - Olive
KALENJI Men's breathable microfibre boxers - Black
KALENJI Men's Breathable microfibre boxers - Bronze
KALENJI Men's breathable microfibre boxers - Black
KALENJI Men's Breathable microfibre boxers - Earth
KALENJI Men's breathable microfibre boxers - Taupe pink
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KALENJI Men's Breathable microfibre boxers - Olive
Rate: 4.5 stars, 24636 votes
6 colors
£5.99
ARTENGO Low Sports Socks RS 160 3-Pack - Light Khaki/Black/Khaki
ARTENGO Low Sports Socks RS 160 Tri-Pack - Orange/Beige/White
ARTENGO Low Sports Socks RS 160 Tri-Pack - Glossy Black
ARTENGO Low Sports Socks Tri-Pack RS 160 - Off-White/Oatmeal Print
ARTENGO Low Sports Socks Tri-Pack RS 160 - White/Off-White/Print
ARTENGO Low Sports Socks RS 160 Tri-Pack - Sky Blue/White/Pink
ARTENGO Low Tennis Socks RS 160 Tri-Pack - Green/White/Green
ARTENGO Low Sports Socks RS 160 Tri-Pack - Pink/White/China Blue
ARTENGO RS 160 Low Sports Socks Tri-Pack - Black
ARTENGO RS 160 Low Sports Socks Tri-Pack - Grey
ARTENGO RS 160 Low Sports Socks Tri-Pack - White
ARTENGO Low Sports Socks RS 160 Tri-Pack - Navy
ARTENGO Low Sports Socks RS 160 Tri-Pack - Glossy White
ARTENGO Low Sports Socks Tri-Pack RS 160 - Beige Print/Brown/Black
ARTENGO Low Sports Socks Tri-Pack RS 160 - Camo/Taupe/White
ARTENGO Low Sports Socks RS 160 Tri-Pack - Apricot/Pink/Navy
ARTENGO Low Sports Socks RS 160 Tri-Pack - Colour Block/Pink
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ARTENGO Low Sports Socks RS 160 3-Pack - Light Khaki/Black/Khaki
Rate: 4.6 stars, 20201 votes
17 colors
£5.99
Out of stock
QUECHUA Hike 100 Mid Socks – Brown and Grey – Pack of 2 pairs
QUECHUA Hike 100 Mid Socks - Pink and Grey- Pack of 2
QUECHUA Socks Hike 100 Mid 2-Pack - black
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QUECHUA Hike 100 Mid Socks – Brown and Grey – Pack of 2 pairs
Rate: 4.6 stars, 1462 votes
3 colors
£6.99
KIPSTA Football Socks Viralto Solo - Pink/Red Stripes
KIPSTA Football Socks Viralto Club - Navy Blue
KIPSTA Football Socks Viralto Club - Black
KIPSTA Football Socks Viralto Club - Red
KIPSTA Football Socks Viralto Club - White
KIPSTA Football Socks Viralto Club - Yellow
KIPSTA Football Socks Viralto Club - Green
KIPSTA Football Socks Viralto Club - Purple
KIPSTA Football Socks Viralto Club - Orange
KIPSTA Football Socks Viralto Club - Blue
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KIPSTA Football Socks Viralto Solo - Pink/Red Stripes
Rate: 4.5 stars, 3708 votes
10 colors
£5.99
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 ULTRA-WARM MID - 2 Pairs
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QUECHUA Warm Hiking Socks SH500 Mid 2 Pairs
Rate: 4.6 stars, 4142 votes
8 colors
£9.99£12.99
WEDZE SKI SOCKS 100 - BLUE
WEDZE SKI SOCKS - 100 - NEON PINK
WEDZE SKI SOCKS - 100 - BLACK
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WEDZE SKI SOCKS 100 - BLUE
Rate: 4.6 stars, 733 votes
3 colors
£5.99£8.99
FOUGANZA Adult Horse Riding Socks SKS100 - Black/White and Grey Stripes
FOUGANZA Adult Horse Riding Socks SKS100 - Camel
FOUGANZA Adult Horse Riding Socks SKS100 - Green/Burgundy Stripes
FOUGANZA Adult Horse Riding Socks SKS100 - Black/Pink Sequins Stripes
FOUGANZA Basic Adult Horse Riding Socks 1-Pair Pack - Raspberry Red
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FOUGANZA Adult Horse Riding Socks SKS100 - Black/White and Grey Stripes
Rate: 4.5 stars, 2246 votes
5 colors
£4.99
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
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, 15930 votes
4 colors
£2.49£5.99
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
KOROK Adult Field Hockey Socks FH500 - Red
KOROK Adult Field Hockey Socks FH500 - Green
KOROK Adult Field Hockey Socks FH500 - Navy
KOROK Adult Field Hockey Socks FH500 - Neon Green
KOROK Kids'/Adult Field Hockey Socks FH500 - Neon Pink
KOROK Kids'/Adult Field Hockey Socks FH500 - Neon Orange
KOROK Adult Field Hockey Socks FH500 - Black
KOROK Adult Field Hockey Socks FH500 - White
KOROK Adult Field Hockey Socks FH500 - Navy Blue
KOROK Kids'/Adult Field Hockey Socks FHSO500 Lynx Away
KOROK Kids'/Adult Field Hockey Socks FHSO500 Lynx Home
KOROK Kids'/Adult Field Hockey Socks FH500 - Old Club Blue
KOROK Kids'/Adult Field Hockey Socks FHSO500 Oldclub Home
KOROK Kids'/Adult Field Hockey Socks FHSO500 Oldclub Away
KOROK Adult Socks FH500 - Ixelles Green
KOROK Kids'/Adult Field Hockey Socks FH500 - Tervuren Home
KOROK Kids'/Adult Field Hockey Socks FH500 - Lynx Orange
KOROK Kids'/Adult Field Hockey Socks FH500 - La Louvière Blue
KOROK Kids'/Adult Field Hockey Socks FH500 - La Louvière White
KOROK Kids'/Adult Field Hockey Socks FH500 - Lynx Black
KOROK Kids'/Adult Field Hockey Socks FH500 - Tervuren Away
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KOROK Adult Field Hockey Socks FH500 - Red
Rate: 4.2 stars, 76 votes
21 colors
£9.99
SPEEDO Speedo Allover Digital 13.5cm Briefs - Clearwater Dawn
SPEEDO Speedo Allover Digital 13.5cm Briefs - Clearwater Dawn
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SPEEDO Speedo Allover Digital 13.5cm Briefs - Clearwater Dawn
2 colors
Sold and shipped by ProSwimwear LTD
£19.99
ALLSIX Volleyball High Socks VSK500 - Blue
ALLSIX High Volleyball Socks VSK500 - Yellow
ALLSIX High Volleyball Socks VSK500 - Navy
ALLSIX Volleyball High Socks VSK500 - White
ALLSIX Volleyball High Socks VSK500 - Pink
ALLSIX Volleyball High Socks VSK500 - Green
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ALLSIX Volleyball High Socks VSK500 - Blue
Rate: 4.6 stars, 211 votes
6 colors
£3.99£4.99
ROOKIE 16'' Mid Calf Socks
ROOKIE 16'' Mid Calf Socks
Sold and shipped by Kates Skates Ltd
£9.95
PUMA Puma Sneaker Invisible Socks (3 Pairs)
PUMA Puma Sneaker Invisible Socks (3 Pairs)
PUMA Puma Sneaker Invisible Socks (3 Pairs)
PUMA Puma Sneaker Invisible Socks (3 Pairs)
PUMA Puma Sneaker Invisible Socks (3 Pairs)
PUMA Puma Sneaker Invisible Socks (3 Pairs)
PUMA Puma Sneaker Invisible Socks (3 Pairs)
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PUMA Puma Sneaker Invisible Socks (3 Pairs)
7 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
BRIDGEDALE HIKE Ultralight T2 Merino Performance Low Women's - Navy blue
BRIDGEDALE HIKE Ultralight T2 Merino Performance Low Women's - Navy blue
Sold and shipped by Sock Snob UK
£23.03£23.99
PUMA Puma Quarter Training Socks (3 Pairs)
PUMA Puma Quarter Training Socks (3 Pairs)
PUMA Puma Quarter Training Socks (3 Pairs)
PUMA Puma Quarter Training Socks (3 Pairs)
PUMA Puma Quarter Training Socks (3 Pairs)
PUMA Puma Quarter Training Socks (3 Pairs)
PUMA Puma Quarter Training Socks (3 Pairs)
Gallery item 1 out of 7
PUMA Puma Quarter Training Socks (3 Pairs)
7 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
COMODO Bamboo Hiking Socks for Summer | Anti Blister Cushioned Heel & Toe | Unisex
COMODO Bamboo Hiking Socks for Summer | Anti Blister Cushioned Heel & Toe | Unisex
COMODO Bamboo Hiking Socks for Summer | Anti Blister Cushioned Heel & Toe | Unisex
COMODO Bamboo Hiking Socks for Summer | Anti Blister Cushioned Heel & Toe | Unisex
COMODO Bamboo Hiking Socks for Summer | Anti Blister Cushioned Heel & Toe | Unisex
COMODO Bamboo Hiking Socks for Summer | Anti Blister Cushioned Heel & Toe | Unisex
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COMODO Bamboo Hiking Socks for Summer | Anti Blister Cushioned Heel & Toe | Unisex
6 colors
Sold and shipped by Sock Snob UK
£12.47£12.99
PUMA Unisex Adult Quarter Training Ankle Socks (Pack of 3) (Pink/Grey/Charcoal Grey)
PUMA Unisex Adult Quarter Training Ankle Socks (Pack of 3) (Black/Red/Grey)
PUMA Unisex Adult Quarter Training Ankle Socks (Pack of 3) (Navy/Black/Light Grey)
PUMA Unisex Adult Quarter Training Ankle Socks (Pack of 3) (Grey)
PUMA Unisex Adult Quarter Training Ankle Socks (Pack of 3) (Pink)
PUMA Unisex Adult Quarter Training Ankle Socks (Pack of 3) (Black)
PUMA Unisex Adult Quarter Training Ankle Socks (Pack of 3) (White)
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PUMA Unisex Adult Quarter Training Ankle Socks (Pack of 3) (Pink/Grey/Charcoal Grey)
7 colors
Sold and shipped by Pertemba GB
£10.49
DARE 2B Mens Hex Athleisure Ankle Socks (Orion Grey/Burnt Salmon)
DARE 2B Mens Hex Athleisure Ankle Socks (Black/Orion Grey)
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DARE 2B Mens Hex Athleisure Ankle Socks (Orion Grey/Burnt Salmon)
2 colors
Sold and shipped by Pertemba GB
£6.49
DARE 2B Unisex Adult Festivity Fair Isle Fluffy Christmas Socks (Beetroot/Powder Pink)
DARE 2B Unisex Adult Festivity Fair Isle Fluffy Christmas Socks (Moonlight Denim/Navy)
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DARE 2B Unisex Adult Festivity Fair Isle Fluffy Christmas Socks (Beetroot/Powder Pink)
2 colors
Sold and shipped by Pertemba GB
£5.49
PUMA Unisex Adult Invisible Socks (Pack of 3) (Navy/Light Grey/Black)
PUMA Unisex Adult Invisible Socks (Pack of 3) (Pink/Grey/Charcoal Grey)
PUMA Unisex Adult Invisible Socks (Pack of 3) (Pink)
PUMA Unisex Adult Invisible Socks (Pack of 3) (White)
PUMA Unisex Adult Invisible Socks (Pack of 3) (Black)
PUMA Unisex Adult Invisible Socks (Pack of 3) (Black/Red/Grey)
PUMA Unisex Adult Invisible Socks (Pack of 3) (Grey/White/Black)
Gallery item 1 out of 7
PUMA Unisex Adult Invisible Socks (Pack of 3) (Navy/Light Grey/Black)
7 colors
Sold and shipped by Pertemba GB
From £4.49
RHINO Mens Sports Base Layer Short Sleeve TShirt (Navy)
RHINO Mens Sports Base Layer Short Sleeve TShirt (White)
RHINO Mens Sports Base Layer Short Sleeve TShirt (Bottle Green)
RHINO Mens Sports Base Layer Short Sleeve TShirt (Purple)
RHINO Mens Sports Base Layer Short Sleeve TShirt (Light Blue)
RHINO Mens Sports Base Layer Short Sleeve TShirt (Red)
RHINO Mens Sports Base Layer Short Sleeve TShirt (Royal)
RHINO Mens Sports Base Layer Short Sleeve TShirt (Green)
RHINO Mens Sports Base Layer Short Sleeve TShirt (Black)
RHINO Mens Sports Base Layer Short Sleeve TShirt (Pink)
RHINO Mens Sports Base Layer Short Sleeve TShirt (Navy Heather)
RHINO Mens Sports Base Layer Short Sleeve TShirt (Black Heather)
RHINO Mens Sports Base Layer Short Sleeve TShirt (Maroon)
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RHINO Mens Sports Base Layer Short Sleeve TShirt (Navy)
13 colors
Sold and shipped by Pertemba GB
From £23.99
REEBOK 2 Pair Pack Cycling Socks With Full Elastic Compession and Arch Support
REEBOK 2 Pair Pack Cycling Socks With Full Elastic Compession and Arch Support
REEBOK 2 Pair Pack Cycling Socks With Full Elastic Compession and Arch Support
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REEBOK 2 Pair Pack Cycling Socks With Full Elastic Compession and Arch Support
3 colors
Sold and shipped by SOCKSHOP
£14.39£15.99
REEBOK 3 Pair Pack No Show Sports Socks With Silicon Heel Grip And Seamless Toes
REEBOK 3 Pair Pack No Show Sports Socks With Silicon Heel Grip And Seamless Toes
REEBOK 3 Pair Pack No Show Sports Socks With Silicon Heel Grip And Seamless Toes
REEBOK 3 Pair Pack No Show Sports Socks With Silicon Heel Grip And Seamless Toes
REEBOK 3 Pair Pack No Show Sports Socks With Silicon Heel Grip And Seamless Toes
Gallery item 1 out of 5
REEBOK 3 Pair Pack No Show Sports Socks With Silicon Heel Grip And Seamless Toes
5 colors
Sold and shipped by SOCKSHOP
£12.59£13.99
REEBOK 3 Pair Pack Low Cut Trainer Sports Socks With Heel Tab And Seamless Toes
REEBOK 3 Pair Pack Low Cut Trainer Sports Socks With Heel Tab And Seamless Toes
REEBOK 3 Pair Pack Low Cut Trainer Sports Socks With Heel Tab And Seamless Toes
REEBOK 3 Pair Pack Low Cut Trainer Sports Socks With Heel Tab And Seamless Toes
REEBOK 3 Pair Pack Low Cut Trainer Sports Socks With Heel Tab And Seamless Toes
Gallery item 1 out of 5
REEBOK 3 Pair Pack Low Cut Trainer Sports Socks With Heel Tab And Seamless Toes
5 colors
Sold and shipped by SOCKSHOP
£10.79£11.99
BRIDGEDALE TRAIL RUN Ultralight T2 Coolmax Sport Low Women's - Pink
BRIDGEDALE TRAIL RUN Ultralight T2 Coolmax Sport Low Women's - Pink
Sold and shipped by Bowls4u T/A 4U Trading Group
From £16.48
OOSC Nuts Cracker Mens Baselayer Top
OOSC Nuts Cracker Mens Baselayer Top
Sold and shipped by OOSC
£45.00
OOSC Hotstepper Mens Baselayer Top
OOSC Hotstepper Mens Baselayer Top
Sold and shipped by OOSC
£45.00
OOSC Saved By The Bell Mens Baselayer Pant
OOSC Saved By The Bell Mens Baselayer Pant
Sold and shipped by OOSC
£45.00
PROVIZ Proviz Classic Airfoot Reflective Running Socks - Mid Length
PROVIZ Proviz Classic Airfoot Reflective Running Socks - Mid Length
Gallery item 1 out of 2
PROVIZ Proviz Classic Airfoot Reflective Running Socks - Mid Length
2 colors
Sold and shipped by Proviz Sports
£15.94
OOSC Hotstepper Mens Baselayer Pant
OOSC Hotstepper Mens Baselayer Pant
Sold and shipped by OOSC
£45.00
OOSC That 70's Show Mens Baselayer Pant
OOSC That 70's Show Mens Baselayer Pant
Sold and shipped by OOSC
£45.00
OOSC Nuts Cracker Mens Baselayer Pant
OOSC Nuts Cracker Mens Baselayer Pant
Sold and shipped by OOSC
£45.00
OOSC That 70's Show Mens Baselayer Top
OOSC That 70's Show Mens Baselayer Top
Sold and shipped by OOSC
£45.00
REEBOK 3 Pair Pack Low Cut Trainer Sports Socks With Arch Support And Seamless Toes
REEBOK 3 Pair Pack Low Cut Trainer Sports Socks With Arch Support And Seamless Toes
REEBOK 3 Pair Pack Low Cut Trainer Sports Socks With Arch Support And Seamless Toes
REEBOK 3 Pair Pack Low Cut Trainer Sports Socks With Arch Support And Seamless Toes
Gallery item 1 out of 4
REEBOK 3 Pair Pack Low Cut Trainer Sports Socks With Arch Support And Seamless Toes
4 colors
Sold and shipped by SOCKSHOP
£10.79£11.99
BRIDGEDALE TRAIL RUN Ultralight T2 Coolmax Sport 3/4 Crew Women's - Pink
BRIDGEDALE TRAIL RUN Ultralight T2 Coolmax Sport 3/4 Crew Women's - Pink
Sold and shipped by Bowls4u T/A 4U Trading Group
£17.75
COMODO Compression Running Socks | Long Knee High | Mens & Womens
COMODO Compression Running Socks | Long Knee High | Mens & Womens
COMODO Compression Running Socks | Long Knee High | Mens & Womens
COMODO Compression Running Socks | Long Knee High | Mens & Womens
COMODO Compression Running Socks | Long Knee High | Mens & Womens
COMODO Compression Running Socks | Long Knee High | Mens & Womens
COMODO Compression Running Socks | Long Knee High | Mens & Womens
COMODO Compression Running Socks | Long Knee High | Mens & Womens
COMODO Compression Running Socks | Long Knee High | Mens & Womens
COMODO Compression Running Socks | Long Knee High | Mens & Womens
Gallery item 1 out of 10
COMODO Compression Running Socks | Long Knee High | Mens & Womens
10 colors
Sold and shipped by Sock Snob UK
£16.48£16.99
TOETOE 1 Pack Mens & Ladies Sports Light Runner Toe Socks
TOETOE 1 Pack Mens & Ladies Sports Light Runner Toe Socks
TOETOE 1 Pack Mens & Ladies Sports Light Runner Toe Socks
Gallery item 1 out of 3
TOETOE 1 Pack Mens & Ladies Sports Light Runner Toe Socks
3 colors
Sold and shipped by Sock Snob UK
£17.99
COMODO Merino Wool Ankle Trail Sport Running Socks for Mens & Women
COMODO Merino Wool Ankle Trail Sport Running Socks for Mens & Women
COMODO Merino Wool Ankle Trail Sport Running Socks for Mens & Women
COMODO Merino Wool Ankle Trail Sport Running Socks for Mens & Women
COMODO Merino Wool Ankle Trail Sport Running Socks for Mens & Women
Gallery item 1 out of 5
COMODO Merino Wool Ankle Trail Sport Running Socks for Mens & Women
5 colors
Sold and shipped by Sock Snob UK
£13.15£13.99
4.5/5 based on 79066 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.