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.
940 items
ADIDAS Performance Cushioned Crew Grip Socks 3-Pairs Pack
ADIDAS Performance Cushioned Crew Grip Socks 3-Pairs Pack
Sold and shipped by adidas (UK) Limited (ADIDAS UK)
£23.00
SPEEDO Speedo Digi Interference 17cm Brief - Yellow/ Red/ Magenta/ Adriatic/ Flame
SPEEDO Speedo Digi Interference 17cm Brief - Yellow/ Red/ Magenta/ Adriatic/ Flame
Sold and shipped by ProSwimwear LTD
£23.99
ARENA Arena Men's Earth Texture Low Waist Short - Black/ Black Multi
ARENA Arena Men's Earth Texture Low Waist Short - Black/ Black Multi
Sold and shipped by ProSwimwear LTD
£30.99
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
Gallery item 1 out of 3
NEWFEEL Sportwear high socks -2-Pair Pack-White/Black Héritage DECATHLON Logo
Rate: 4.7 stars, 140 votes
3 colors
£8.99
STANCE Stance Willy Wonka Oompa Loompa Crew Socks
STANCE Stance Willy Wonka Oompa Loompa Crew Socks
Sold and shipped by Urban Surfer
£16.99
PRINGLE OF SCOTLAND P2050 Mens Sports Socks with Fully Cushioned Foot Fashion Mix 3
PRINGLE OF SCOTLAND P2050 Mens Sports Socks with Fully Cushioned Foot Black
PRINGLE OF SCOTLAND P2050 Mens Sports Socks with Fully Cushioned Foot Fashion Mix 4
PRINGLE OF SCOTLAND P2050 Mens Sports Socks with Fully Cushioned Foot White Fashion
Gallery item 1 out of 4
PRINGLE OF SCOTLAND P2050 Mens Sports Socks with Fully Cushioned Foot Fashion Mix 3
4 colors
Sold and shipped by SOCKSHOP
£8.99
STANCE Stance Buddy The Elf Crew Socks - Off White
STANCE Stance Buddy The Elf Crew Socks - Off White
Sold and shipped by Urban Surfer
£8.62
STANCE Stance Icon Quarter 3 Pack Socks
STANCE Stance Icon Quarter 3 Pack Socks
Gallery item 1 out of 2
STANCE Stance Icon Quarter 3 Pack Socks
2 colors
Sold and shipped by Urban Surfer
From £26.99
OAKLEY OAKLEY B1B SOCKS 2.0 (3 PCS) - WHITE
OAKLEY OAKLEY B1B SOCKS 2.0 (3 PCS) - WHITE
Sold and shipped by Gamola Golf
£14.49
STANCE Stance Willy Wonka Everlasting Crew Socks
STANCE Stance Willy Wonka Everlasting Crew Socks
Sold and shipped by Urban Surfer
£15.99
ADIDAS adidas Tour No-Show Socks - black
ADIDAS adidas Tour No-Show Socks - black
Sold and shipped by Gamola Golf
£11.99
REEBOK 1 Pack Tennis Socks With Full Elastic Compession, Ankle and Arch Support
REEBOK 1 Pack Tennis Socks With Full Elastic Compession, Ankle and Arch Support
REEBOK 1 Pack Tennis Socks With Full Elastic Compession, Ankle and Arch Support
Gallery item 1 out of 3
REEBOK 1 Pack Tennis Socks With Full Elastic Compession, Ankle and Arch Support
3 colors
Sold and shipped by SOCKSHOP
£12.59£13.99
REEBOK 3 PairPack Quarter Length Ankle Sport Sock With Cushioned Sole And Seamless Toes
REEBOK 3 PairPack Quarter Length Ankle Sport Sock With Cushioned Sole And Seamless Toes
Sold and shipped by SOCKSHOP
£12.59£13.99
OAKLEY OAKLEY SHORT SOCKS HEATHER (3 PCS) NEW GRANITE HEATHER
OAKLEY OAKLEY SHORT SOCKS HEATHER (3 PCS) NEW GRANITE HEATHER
Sold and shipped by Gamola Golf
£8.95
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
Gallery item 1 out of 3
REEBOK 2 Pair Pack Cycling Socks With Full Elastic Compession and Arch Support
3 colors
Sold and shipped by SOCKSHOP
£14.39£15.99
PRINGLE OF SCOTLAND Mens Recycled Wool Walking Boot Socks
PRINGLE OF SCOTLAND Mens Recycled Wool Walking Boot Socks
Sold and shipped by SOCKSHOP
£7.99
REEBOK 3 Pack Quarter Length Ankle Sport Socks With Cushioned Sole And Seamless Toes
REEBOK 3 Pack Quarter Length Ankle Sport Socks With Cushioned Sole And Seamless Toes
Sold and shipped by SOCKSHOP
£12.59£13.99
G-FORM G-Form Mid-Calf Sock Black Teal Grey S/M
G-FORM G-Form Mid-Calf Sock White Black Red S/M
Gallery item 1 out of 2
G-FORM G-Form Mid-Calf Sock Black Teal Grey S/M
2 colors
Sold and shipped by Sprocket and Gear Ltd
£14.99
REEBOK 3 Pack Quarter Length Ankle Sport Socks With Cushioned Sole And Seamless Toes
REEBOK 3 Pack Quarter Length Ankle Sport Socks With Cushioned Sole And Seamless Toes
Sold and shipped by SOCKSHOP
£12.59£13.99
OAKLEY OAKLEY SHORT SOLID SOCKS (3 PCS) - WHITE
OAKLEY OAKLEY SHORT SOLID SOCKS (3 PCS) - BLACKOUT
Gallery item 1 out of 2
OAKLEY OAKLEY SHORT SOLID SOCKS (3 PCS) - WHITE
2 colors
Sold and shipped by Gamola Golf
£9.95
STANCE Stance Welcome Wilbur Crew Socks
STANCE Stance Welcome Wilbur Crew Socks
Sold and shipped by Urban Surfer
£16.99
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
PUMA Puma Unisex Heritage Stripe 4 Pack Crew Socks - Black / White
PUMA Socks Unisex Pack of 4 Stretch
Gallery item 1 out of 2
PUMA Puma Unisex Heritage Stripe 4 Pack Crew Socks - Black / White
2 colors
Sold and shipped by Urban Surfer
£11.99
STANCE Stance Willy Wonka Wonka Bars Crew Socks
STANCE Stance Willy Wonka Wonka Bars Crew Socks
Sold and shipped by Urban Surfer
£16.99
PRINGLE OF SCOTLAND Mens Bamboo Rib Knit Leisure Socks
PRINGLE OF SCOTLAND Mens Bamboo Rib Knit Leisure Socks
Sold and shipped by SOCKSHOP
£9.99
STANCE Stance OG 3 Pack Socks
STANCE Stance OG 3 Pack Socks
Sold and shipped by Urban Surfer
£28.99
PRINGLE OF SCOTLAND Mens Quarter Length Sports Socks with Half Cushioned Foot and Arch Support White
PRINGLE OF SCOTLAND Mens Quarter Length Sports Socks with Half Cushioned Foot and Arch Support Black
Gallery item 1 out of 2
PRINGLE OF SCOTLAND Mens Quarter Length Sports Socks with Half Cushioned Foot and Arch Support White
2 colors
Sold and shipped by SOCKSHOP
£8.99
PUMA Puma Socks - SNEAKER 2 PK - White
PUMA Puma Socks - SNEAKER 2 PK - White
Sold and shipped by Gamola Golf
£4.95
STANCE Stance Buddy The Elf Crew Socks - Off White
STANCE Stance Buddy The Elf Crew Socks - Off White
Sold and shipped by Urban Surfer
£8.62
ADIDAS adidas Tour No-Show Socks - white
ADIDAS adidas Tour No-Show Socks - white
Sold and shipped by Gamola Golf
£11.99
PRINGLE OF SCOTLAND Mens Fully Cushioned Bamboo Leisure Socks
PRINGLE OF SCOTLAND Mens Fully Cushioned Bamboo Leisure Socks
Gallery item 1 out of 2
PRINGLE OF SCOTLAND Mens Fully Cushioned Bamboo Leisure Socks
2 colors
Sold and shipped by SOCKSHOP
£9.99
STANCE Stance Crosshatch Crew Socks
STANCE Stance Crosshatch Crew Socks
Sold and shipped by Urban Surfer
£12.99
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
OAKLEY Oakley SOCKS BACK LOGO (2 PCS PACK) - White
OAKLEY Oakley SOCKS BACK LOGO (2 PCS PACK) - White
Sold and shipped by Gamola Golf
£9.95
STANCE Stance Welcom Skelly Crew Socks - Black
STANCE Stance Welcom Skelly Crew Socks - Black
Sold and shipped by Urban Surfer
£16.99
STANCE Stance Icon 3 Pack Socks
STANCE Stance Icon 3 Pack Socks
STANCE Stance Icon 3 Pack Socks
Gallery item 1 out of 3
STANCE Stance Icon 3 Pack Socks
3 colors
Sold and shipped by Urban Surfer
£26.96
STANCE Stance WEDGE CREW Golf Socks - Grey
STANCE Stance WEDGE CREW Golf Socks - Grey
Sold and shipped by Gamola Golf
£12.76
REEBOK 3 PairPack Quarter Length Ankle Sport Sock With Cushioned Sole And Seamless Toes
REEBOK 3 PairPack Quarter Length Ankle Sport Sock With Cushioned Sole And Seamless Toes
Sold and shipped by SOCKSHOP
£12.59£13.99
STANCE Stance Willy Wonka Box Set Socks
STANCE Stance Willy Wonka Box Set Socks
Sold and shipped by Urban Surfer
£74.95
BRIDGEDALE HIKE Lightweight Merino Performance Boot Original Men's - Grey
BRIDGEDALE Mens Hiking Lightweight Merino Wool Performance Boot Socks
Gallery item 1 out of 2
BRIDGEDALE HIKE Lightweight Merino Performance Boot Original Men's - Grey
2 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£21.16
4.5/5 based on 442703 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.