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.
37 items
PUMA High Socks Tri-Pack - Black/White
PUMA High Socks Tri-Pack - Black/White
Rate: 4.6 stars, 57 votes
£7.99£9.99
PUMA Puma Short Crew Socks (3 Pairs)
PUMA Puma Short Crew Socks (3 Pairs)
PUMA Puma Short Crew Socks (3 Pairs)
PUMA Puma Short Crew Socks (3 Pairs)
Gallery item 1 out of 4
PUMA Puma Short Crew Socks (3 Pairs)
Rate: 5.0 stars, 1 votes
4 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
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 4
PUMA Puma Quarter Training Socks (3 Pairs)
4 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
PUMA Puma Sport Lightweight Crew Sock (3 Pair)
PUMA Puma Sport Lightweight Crew Sock (3 Pair)
PUMA Puma Sport Lightweight Crew Sock (3 Pair)
PUMA Puma Sport Lightweight Crew Sock (3 Pair)
Gallery item 1 out of 4
PUMA Puma Sport Lightweight Crew Sock (3 Pair)
4 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
PUMA Puma Quarter Training Socks (3 Pairs)
PUMA Puma Quarter Training Socks (3 Pairs)
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
PUMA Puma Sports Crew Socks (3 Pairs)
PUMA Puma Sports Crew Socks (3 Pairs)
PUMA Puma Sports Crew Socks (3 Pairs)
PUMA Puma Sports Crew Socks (3 Pairs)
PUMA Puma Sports Crew Socks (3 Pairs)
Gallery item 1 out of 5
PUMA Puma Sports Crew Socks (3 Pairs)
5 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
PUMA Puma Short Crew Socks (3 Pairs)
PUMA Puma Short Crew Socks (3 Pairs)
PUMA Puma Short Crew Socks (3 Pairs)
Gallery item 1 out of 3
PUMA Puma Short Crew Socks (3 Pairs)
3 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
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)
Gallery item 1 out of 7
PUMA Puma Sneaker Invisible Socks (3 Pairs)
7 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
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
PUMA PUMA ACTIVE SPORT BOXER (PACK OF 2)
PUMA PUMA ACTIVE SPORT BOXER (PACK OF 2)
Sold and shipped by Bowls4u T/A 4U Trading Group
£26.22
PUMA PUMA ACTIVE SPORT BOXER (PACK OF 2)
PUMA PUMA ACTIVE SPORT BOXER (PACK OF 2)
Sold and shipped by Bowls4u T/A 4U Trading Group
£26.22
PUMA Puma Crew Heritage Stripe Sock (2 Pair)
PUMA Puma Crew Heritage Stripe Sock (2 Pair)
Gallery item 1 out of 2
PUMA Puma Crew Heritage Stripe Sock (2 Pair)
2 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
PUMA Mens Quarter Socks (Pack of 3) (Black)
PUMA Mens Quarter Socks (Pack of 3) (Black)
Sold and shipped by Pertemba GB
£11.49
PUMA Unisex Adult Trainer Socks (Pack of 3) (White)
PUMA Unisex Adult Trainer Socks (Pack of 3) (Black)
Gallery item 1 out of 2
PUMA Unisex Adult Trainer Socks (Pack of 3) (White)
2 colors
Sold and shipped by Pertemba GB
£11.49
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)
Gallery item 1 out of 7
PUMA Unisex Adult Quarter Training Ankle Socks (Pack of 3) (Pink/Grey/Charcoal Grey)
7 colors
Sold and shipped by Pertemba GB
£10.49
PUMA Unisex Adult Cushioned Trainer Socks (Pack Of 3) (White/Black)
PUMA Unisex Adult Cushioned Trainer Socks (Pack Of 3) (Black/White)
Gallery item 1 out of 2
PUMA Unisex Adult Cushioned Trainer Socks (Pack Of 3) (White/Black)
2 colors
Sold and shipped by Pertemba GB
£11.49
PUMA Mens Quarter Socks (Pack of 3) (White)
PUMA Mens Quarter Socks (Pack of 3) (White)
Sold and shipped by Pertemba GB
£11.49
PUMA Unisex Adult Heritage Stripe Crew Socks (Pack of 2) (White/Black)
PUMA Unisex Adult Heritage Stripe Crew Socks (Pack of 2) (Black/White)
Gallery item 1 out of 2
PUMA Unisex Adult Heritage Stripe Crew Socks (Pack of 2) (White/Black)
2 colors
Sold and shipped by Pertemba GB
£10.49
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
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
PUMA Puma Socks - SNEAKER 2 PK - White
PUMA Puma Socks - SNEAKER 2 PK - White
Sold and shipped by Gamola Golf
£4.95
PUMA Unisex Adult Crew Sports Socks (Pack of 3) (Black)
PUMA Unisex Adult Crew Sports Socks (Pack of 3) (Grey)
PUMA Unisex Adult Crew Sports Socks (Pack of 3) (White)
PUMA Unisex Adult Crew Sports Socks (Pack of 3) (Navy)
Gallery item 1 out of 4
PUMA Unisex Adult Crew Sports Socks (Pack of 3) (Black)
4 colors
Sold and shipped by Pertemba GB
£10.49
PUMA Crew Sport Socks 3 Pair Pack / Mens Socks (White)
PUMA Crew Sport Socks 3 Pair Pack / Mens Socks (Black)
Gallery item 1 out of 2
PUMA Crew Sport Socks 3 Pair Pack / Mens Socks (White)
2 colors
Sold and shipped by Pertemba GB
£11.49
PUMA Unisex Adult Crew Socks (Pack of 3) (Black)
PUMA Unisex Adult Crew Socks (Pack of 3) (Grey)
PUMA Unisex Adult Crew Socks (Pack of 3) (White)
Gallery item 1 out of 3
PUMA Unisex Adult Crew Socks (Pack of 3) (Black)
3 colors
Sold and shipped by Pertemba GB
£10.49
PUMA Unisex Adult Lightweight Crew Socks (Pack of 3) (White)
PUMA Unisex Adult Lightweight Crew Socks (Pack of 3) (Black)
Gallery item 1 out of 2
PUMA Unisex Adult Lightweight Crew Socks (Pack of 3) (White)
2 colors
Sold and shipped by Pertemba GB
£10.49
PUMA Trainer Socks 3 Pair Pack / Mens Socks (White)
PUMA Trainer Socks 3 Pair Pack / Mens Socks (White)
Sold and shipped by Pertemba GB
£11.49
PUMA Unisex Adult Cushioned Ankle Socks (Pack Of 3) (White/Black)
PUMA Unisex Adult Cushioned Ankle Socks (Pack Of 3) (Black/White)
Gallery item 1 out of 2
PUMA Unisex Adult Cushioned Ankle Socks (Pack Of 3) (White/Black)
2 colors
Sold and shipped by Pertemba GB
£11.49
PUMA Puma Invisible Footie Socks (2 Pairs)
PUMA Puma Invisible Footie Socks (2 Pairs)
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
PUMA Puma Cushioned Sneaker Sock
PUMA Puma Cushioned Sneaker Sock
Gallery item 1 out of 2
PUMA Puma Cushioned Sneaker Sock
2 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£14.35
PUMA Puma Cushioned Quarter Sock
PUMA Puma Cushioned Quarter Sock
Gallery item 1 out of 2
PUMA Puma Cushioned Quarter Sock
2 colors
Sold and shipped by Bowls4u T/A 4U Trading Group
£11.55
PUMA High Cotton Socks 4-Pack
PUMA High Cotton Socks 4-Pack
Rate: 4.3 stars, 203 votes
£9.99
PUMA Puma Quarter Training Socks (3 Pairs)
PUMA Puma Quarter Training Socks (3 Pairs)
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
PUMA Puma Quarter Training Socks (3 Pairs)
PUMA Puma Quarter Training Socks (3 Pairs)
Sold and shipped by Bowls4u T/A 4U Trading Group
£10.58
PUMA Puma Womens Studio Footie Sock
PUMA Puma Womens Studio Footie Sock
Sold and shipped by Bowls4u T/A 4U Trading Group
£11.55
PUMA Unisex Adult Quarter Socks (Black)
PUMA Unisex Adult Quarter Socks (Black)
Sold and shipped by Pertemba GB
£11.49
PUMA Unisex Adults Crew Socks (Pack Of 3) (White)
PUMA Unisex Adults Crew Socks (Pack Of 3) (Grey)
PUMA Unisex Adults Crew Socks (Pack Of 3) (Black)
Gallery item 1 out of 3
PUMA Unisex Adults Crew Socks (Pack Of 3) (White)
3 colors
Sold and shipped by Pertemba GB
£11.49
PUMA Unisex Adult Liner Socks (Pack of 2) (White)
PUMA Unisex Adult Liner Socks (Pack of 2) (Black)
Gallery item 1 out of 2
PUMA Unisex Adult Liner Socks (Pack of 2) (White)
2 colors
Sold and shipped by Pertemba GB
£10.49
4.6/5 based on 261 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.