Men’s Sports Underwear – Performance Boxer Briefs & Trunks

Shop men’s sports underwear designed for gym training, running, workouts and all-day comfort. Featuring moisture-wicking fabrics, breathable mesh panels, quick-dry technology and longer leg boxer briefs from Calvin Klein, SAXX, Adidas, Reebok and more.…
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Calvin Klein
Icon Active Mesh 3-Pack Boxer Briefs - Quick Dry Breathable
£45.99
Black
Calvin Klein Icon Active Mesh 3-Pack Boxer Briefs - Quick Dry Breathable
Quick buy
SAXX
Multi-Sport Mesh 2-Pack Performance Boxer Brief 6"
£49.99
XXcellence / Black
SAXX Multi-Sport Mesh 2 Pack Performance Boxer Briefs
 RealTree Edge / Black
SAXX Multi-Sport Mesh 2 Pack Performance Boxer Briefs
 Smoke Screen / Washed Indigo
SAXX Multi-Sport Mesh 2 Pack Performance Boxer Briefs
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Calvin Klein
Intense Power Micro 3 Pack Trunks
£44.99
Black, Multi
Calvin Klein Intense Power Micro 3 Pack Trunks
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SAXX
Quest Quick Dry Mesh 6" Boxer Brief Fly – Cooling Underwear
£29.99 £34.99
Adobe Zoo-Black
SAXX Quest Quick Dry Mesh 6" Boxer Brief Fly – Cooling Underwear
 Big Mouth Bass- Blue
SAXX Quest Quick Dry Mesh 6" Boxer Brief Fly – Cooling Underwear
 Globetrekker Stripe-Multi
SAXX Quest Quick Dry Mesh 6" Boxer Brief Fly – Cooling Underwear
 Palm Geo - Stone
SAXX Quest Quick Dry Mesh 6" Boxer Brief Fly – Cooling Underwear
 Prism Peaks -Cargo Grey
SAXX Quest Quick Dry Mesh 6" Boxer Brief Fly – Cooling Underwear
+ 2 more
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Björn Borg
Sports Microfiber Boxer Briefs 5 Pack Quick Dry Performance Fit
£55.99 £74.99
Black, Green, Navy Blue, Orange
Björn Borg Sports Microfiber Boxer Briefs 5 Pack Quick Dry Performance Fit
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Björn Borg
2 Pack Sports Microfiber Boxer Briefs - Moisture Wicking
From £28.99 £35.99
Blue, Print
Björn Borg 2 Pack Sports Microfiber Boxer Briefs - Moisture Wicking
 Olive, Print
Björn Borg 2 Pack Sports Microfiber Boxer Briefs - Moisture Wicking
 Blue, Green
Björn Borg 2 Pack Sports Microfiber Boxer Briefs - Moisture Wicking
 Green Print, Navy Blue
Two pairs of Björn Borg boxer briefs, one navy and one green with shark pattern, on a white background.
 Navy Print, Navy Blue
Two pairs of Björn Borg men's underwear on a white background
+ 2 more
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Calvin Klein
Long Boxer Briefs 3 Pack - Icon Active Mesh, Quick Dry
£41.99 £45.99
Black
Calvin Klein Long Boxer Briefs 3 Pack - Icon Active Mesh, Quick Dry
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Calvin Klein
Intense Power Micro Boxer Briefs 3 Pack – Quick Dry Stretch
From £39.99 £44.99
Ombre Blue/Chilly Blue/Punch Pink - 4w7
Calvin Klein Intense Power Micro Boxer Briefs 3 Pack – Quick Dry Stretch
 Black Multi, 4W8
Calvin Klein Intense Power Micro Boxer Briefs 3 Pack – Quick Dry Stretch
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Calvin Klein
3 Pack Micro Stretch Trunks - Black, Brushed Microfibre
From £39.99 £44.99
Black, Multi ( JFA )
Black, Multi ( 3W7 )
Calvin Klein 3 Pack Micro Stretch Trunks - Black, Brushed Microfibre
 Black
Calvin Klein 3 Pack Micro Stretch Trunks - Black, Brushed Microfibre
 Black, Multi ( VSD )
+ 1 more
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Calvin Klein
3 Pack Icon Active Mesh Trunks – Breathable Micro Mesh Jersey
£32.19 £45.99
Black/Fungi/Seafoam Wave
Calvin Klein 3 Pack Icon Active Mesh Trunks – Breathable Micro Mesh Jersey
 Misty Grey/Carnival Blue/Punch Pink
Calvin Klein 3 Pack Icon Active Mesh Trunks – Breathable Micro Mesh Jersey
 Black/Black/Black
Three pairs of Calvin Klein black boxer briefs on a white background
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SAXX
Quest Quick Dry Mesh Boxer Brief Fly 6" – Performance Underwear
£29.99 £34.99
Lazy River - Multi
SAXX Quest Quick Dry Mesh Boxer Brief Fly 6" – Performance Underwear
 Winter Angler- Blue
SAXX Quest Quick Dry Mesh Boxer Brief Fly 6" – Performance Underwear
 Tile Fish - Sea Level
SAXX Quest Quick Dry Mesh Boxer Brief Fly 6" – Performance Underwear
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SAXX
Essential Performance Mesh 3 Pack Boxer Brief - 6" - Black
£47.99
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Calvin Klein
3 Pack Low Rise Microfibre Stretch Trunks – Moisture-Wicking Underwear
£36.99 £43.99
Shoreline/Royalty/Blue Bell
Calvin Klein 3 Pack Low Rise Microfibre Stretch Trunks – Moisture-Wicking Underwear
 Black
Calvin Klein 3 Pack Low Rise Microfibre Stretch Trunks – Moisture-Wicking Underwear
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Calvin Klein
Sports Microfibre Boxer Briefs – Moisture-Wicking
From £39.99 £43.99
Black
Calvin Klein Sports Microfibre Boxer Briefs – Moisture-Wicking
 Black / Bronze Flash / Olive
Three pairs of Calvin Klein men's boxer briefs stacked together on a white background, showing black, olive green, and tan waistbands with the brand name printed repeatedly.
 Black - Multi, 3ZP
Calvin Klein Sports Microfibre Boxer Briefs – Moisture-Wicking
 Shoreline/Cut Circles Shoreline/Grey
Calvin Klein Sports Microfibre Boxer Briefs – Moisture-Wicking
+ 1 more
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Calvin Klein
Microfibre Stretch Boxer Briefs 3 Pack – Performance Sports Underwear
£36.99 £43.99
Black - Multi, Q84
Black/Olive Leaves/Turbulence
Calvin Klein Microfibre Stretch Boxer Briefs 3 Pack – Performance Sports Underwear
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BOSS
Men’s Microfibre Trunks 3 Pack – Moisture-Wicking Performance Fit
£38.99 £44.99
Navy / Blue / Black
BOSS Men’s Microfibre Trunks 3 Pack – Moisture-Wicking Performance Fit
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Björn Borg
Men’s 2-Pack Lightweight Sports Boxer Briefs – Performance Fit
£29.99 £35.99
Green, Print
Björn Borg Men’s 2-Pack Lightweight Sports Boxer Briefs – Performance Fit
Quick buy
Calvin Klein
Micro Stretch Boxer Briefs 3 Pack – Moisture-Wicking Underwear
From £39.99 £44.99
Red Stamp/Black/Turbulence
Calvin Klein Micro Stretch Boxer Briefs 3 Pack – Moisture-Wicking Underwear
 Green/Grey/Blue
Calvin Klein Micro Stretch Boxer Briefs 3 Pack – Moisture-Wicking Underwear
 Black
Calvin Klein Micro Stretch Boxer Briefs 3 Pack – Moisture-Wicking Underwear
 Black-Multi, 3W7
Calvin Klein Micro Stretch Boxer Briefs 3 Pack – Moisture-Wicking Underwear
+ 1 more
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Björn Borg
1 Pack Sports Microfiber Boxers | Men’s Performance Boxer Briefs
£18.99
Serpent Big, Blue
Björn Borg 1 Pack Sports Microfiber Boxers | Men’s Performance Boxer Briefs
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Björn Borg
2 Pack Sports Microfiber Boxers | Men’s Performance Boxer Briefs
£29.99 £35.99
Navy Blue, Orange
Björn Borg 2 Pack Sports Microfiber Boxers | Men’s Performance Boxer Briefs
 Print, Navy Blue
Two pairs of Björn Borg boxer briefs, one with a blue and white abstract pattern and the other plain blue, on a black background.
 Olive, Black
Quick buy
SAXX
Volt Men’s Boxer Briefs – Lightweight Breathable Mesh, Bright & Bold Styles
£20.99 £27.99
Flamingo Bay - Multi
SAXX Volt Men’s Boxer Briefs – Lightweight Breathable Mesh, Bright & Bold Styles
 Prickly Paradise - Multi
SAXX Volt Men’s Boxer Briefs – Lightweight Breathable Mesh, Bright & Bold Styles
 Canyon Daze - Red Clay
Quick buy
Reebok
Men’s Performance 3 Pack Boxer Briefs – Medium Length Sports Underwear
£21.99 £34.99
Blue/Grey/Navy
Black/Grey/Yellow Print
Reebok Men’s Performance 3 Pack Boxer Briefs – Medium Length Sports Underwear
 Black/Grey/Print
Reebok Men’s Performance 3 Pack Boxer Briefs – Medium Length Sports Underwear
 Black Multi
+ 1 more
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Adidas
Active Seamless 2-Pack Microfiber Boxers - Performance Underwear
£35.99
Red/Black
Adidas Active Seamless 2-Pack Microfiber Boxers - Performance Underwear
 Grey/Black
Adidas Active Seamless 2-Pack Microfiber Boxers - Performance Underwear
Quick buy
SAXX
Ultra Super Soft Boxer Briefs 1 Pack – Black | Moisture-Wicking Men’s Underwear
£19.99 £26.99
About Men’s Sports Underwear – Performance Boxer Briefs & Trunks

Shop men’s sports underwear designed for gym training, running, workouts and all-day comfort. Featuring moisture-wicking fabrics, breathable mesh panels, quick-dry technology and longer leg boxer briefs from Calvin Klein, SAXX, Adidas, Reebok and more.

Our performance underwear collection includes sports boxer briefs and trunks built to reduce chafing, improve airflow and deliver support during movement.

Popular features include:

  • Moisture-wicking fabrics
  • Breathable mesh underwear
  • Long leg boxer briefs
  • Performance stretch materials
  • Support pouch designs
  • Quick-dry sports underwear