Underwear

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.

a11y.skip-categories a11y.skip-categories
High Sports Socks RS 100 Tri-Pack - White
BEST SELLER
High Sports Socks RS 100 Tri-Pack - White
£2.99
Price per Quantity £1PCE
F500 Football Stirrup Socks - Red
FIRST PRICE
F500 Football Stirrup Socks - Red
£3.99 −37%
£2.49
Men's Compression Baselayer Short
BEST RATED
Men's Compression Baselayer Short
£13
Running Socks Run 100 3-Pack - white
Running Socks Run 100 3-Pack - white
£2.99
Price per Quantity £1PCE
Low Tennis Socks RS 100 Tri-Pack - White
Low Tennis Socks RS 100 Tri-Pack - White
£2.99
Price per Quantity £1PCE
F100 Adult Football Socks - White
F100 Adult Football Socks - White
£2.99
Running Fine Invisible Socks Run 500 x2 - pink
Running Fine Invisible Socks Run 500 x2 - pink
£4.99
Price per Quantity £2.50PCE
Sock Hike 50 High - Pack of 2 pairs - Grey
Sock Hike 50 High - Pack of 2 pairs - Grey
£5.99
MEN'S BREATHABLE RUNNING BOXERS
EcoDesign
MEN'S BREATHABLE RUNNING BOXERS
£4.99
Sock Hike 50 Mid 2-Pack - navy
Sock Hike 50 Mid 2-Pack - navy
£3.99
Price per Quantity £2PCE
RS 500 Low Sports Socks Tri-Pack - Black
RS 500 Low Sports Socks Tri-Pack - Black
£6.99
Price per Quantity £2.33PCE
Football Socks Viralto Club - Black
Football Socks Viralto Club - Black
£4.99
High Walking Socks - 2 Pack - Bordeaux
High Walking Socks - 2 Pack - Bordeaux
£14.99
Price per Quantity £7.50PCE
Trainer Socks 3 Pair Pack / Mens Socks (Black)
Trainer Socks 3 Pair Pack / Mens Socks (Black)
£11.99
2 models available
PUMA

Trainer Socks 3 Pair Pack / Mens Socks (Black)

Sold and shipped by Pertemba GB
RUN900 MID FINE RUNNING SOCKS - SLATE BLUE
RUN900 MID FINE RUNNING SOCKS - SLATE BLUE
£6.99
High Tennis Socks RS 500 Tri-Pack - Black
High Tennis Socks RS 500 Tri-Pack - Black
£6.99
Price per Quantity £2.33PCE
KALENJI MEN'S BREATHABLE RUNNING BRIEFS - GREY NAVY
EcoDesign
KALENJI MEN'S BREATHABLE RUNNING BRIEFS - GREY NAVY
£4.99
Non-Slip Low Synthetic Fitness Socks 900 - Grey
BEST RATED
Non-Slip Low Synthetic Fitness Socks 900 - Grey
£5.99
Price per Quantity £3PCE
Sock Hike 100 Low 2-Pack - navy
Sock Hike 100 Low 2-Pack - navy
£5.99
Price per Quantity £3PCE
Fitness/Nordic Walking Socks WS 100 Mid 3-Pack - black
Fitness/Nordic Walking Socks WS 100 Mid 3-Pack - black
£4.99
Price per Quantity £1.66PCE
RS 500 Mid Sports Socks Tri-Pack - White
RS 500 Mid Sports Socks Tri-Pack - White
£6.99
Price per Quantity £2.33PCE
Low Sports Socks RS 160 Tri-Pack - White/Grey/Balls
SALES
Low Sports Socks RS 160 Tri-Pack - White/Grey/Balls
£4.99 −40%
£2.99
Price per Quantity £1PCE
High Sports Socks RS 900 Tri-Pack - White
High Sports Socks RS 900 Tri-Pack - White
£9.99
Price per Quantity £3.33PCE
Low Sports Socks RS 560 Tri-Pack - Navy/White
Low Sports Socks RS 560 Tri-Pack - Navy/White
£8.99
Price per Quantity £3PCE
Sock Hike 100 Mid - Pack of 2 pairs - Coral and Grey
Sock Hike 100 Mid - Pack of 2 pairs - Coral and Grey
£6.99
Price per Quantity £3.50PCE
RUN900 MID THICK RUNNING SOCKS - BLUE
RUN900 MID THICK RUNNING SOCKS - BLUE
£6.99
4.4/5 Based on 232059 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.

Is it a gift ? Is it a gift ? Offer the choice Offer a gift card