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Experience next-level comfort with 2UNDR Underwear, engineered for men who demand performance and style in every layer. Designed with the patented Joey Pouch® technology, each pair offers superior support, breathability, and freedom of movement. Crafted from premium, moisture-wicking fabrics, 2UNDR trunks and boxer briefs keep you cool and comfortable all day — from work to weekend.

Choose your perfect fit:

Stock up and save — buy any 5 pairs and receive 15% off. Once you’ve tried 2UNDR, you’ll never want to wear anything else.

Love the comfort? Explore 2UNDR Apparel for laid-back performance wear or 2UNDR Socks to complete your everyday essentials.

2Undr Swing Shift Boxer Brief Heathered Solid 2Undr Swing Shift Boxer Brief Heathered Solid - 0 Buy onyx 2Undr Swing Shift Boxer Brief Heathered Solid Buy diamond 2Undr Swing Shift Boxer Brief Heathered Solid Buy sapphire 2Undr Swing Shift Boxer Brief Heathered Solid Buy jade 2Undr Swing Shift Boxer Brief Heathered Solid Buy ruby 2Undr Swing Shift Boxer Brief Heathered Solid Buy amethyst 2Undr Swing Shift Boxer Brief Heathered Solid Buy turquoise 2Undr Swing Shift Boxer Brief Heathered Solid Buy coral 2Undr Swing Shift Boxer Brief Heathered Solid

2Undr Swing Shift Boxer Brief Heathered Solid

2Undr

$38.00 CAD
8
Onyx
Diamond
Sapphire
Jade
Ruby
Amethyst
 
 
2Undr Swing Shift Boxer Brief Solid - Black/Grey - My Filosophy 2Undr Swing Shift Boxer Brief Solid - 0 2Undr Swing Shift Boxer Brief Solid - Black/Grey - My Filosophy Buy navy-grey 2Undr Swing Shift Boxer Brief Solid Buy dark-green 2Undr Swing Shift Boxer Brief Solid Buy burgundy 2Undr Swing Shift Boxer Brief Solid Buy red-red 2Undr Swing Shift Boxer Brief Solid Buy blue-blue 2Undr Swing Shift Boxer Brief Solid Buy white-grey 2Undr Swing Shift Boxer Brief Solid Buy light-blue 2Undr Swing Shift Boxer Brief Solid

2Undr Swing Shift Boxer Brief Solid

2Undr

$35.00 CAD
8
2Undr Swing Shift Boxer Brief Solid - Black/Grey - My Filosophy
Navy/Grey
Dark Green
Burgundy
Red/Red
Blue/Blue
White/Grey
Light Blue
2Undr Sport Shift Boxer Brief 2Undr Sport Shift Boxer Brief - 0 Buy army 2Undr Sport Shift Boxer Brief Buy blackout 2Undr Sport Shift Boxer Brief Buy whiteout 2Undr Sport Shift Boxer Brief Buy nightout 2Undr Sport Shift Boxer Brief Buy stealth 2Undr Sport Shift Boxer Brief Buy charcoal 2Undr Sport Shift Boxer Brief Buy azul 2Undr Sport Shift Boxer Brief

2Undr Sport Shift Boxer Brief

2Undr

$40.00 CAD
7
Army
Blackout
Whiteout
Nightout
Stealth
Charcoal
Azul
2Undr Swing Shift Man's Best Friend Trunk 2Undr Swing Shift Man's Best Friend Trunk - 0

2Undr Swing Shift Man's Best Friend Trunk

2Undr

$38.00 CAD
2UNDR Sport Shift Trunk 2UNDR Sport Shift Trunk - 0 Buy army 2UNDR Sport Shift Trunk Buy blackout 2UNDR Sport Shift Trunk Buy whiteout 2UNDR Sport Shift Trunk Buy nightout 2UNDR Sport Shift Trunk Buy stealth 2UNDR Sport Shift Trunk Buy charcoal 2UNDR Sport Shift Trunk Buy azul 2UNDR Sport Shift Trunk

2UNDR Sport Shift Trunk

2Undr

$38.00 CAD
7
Army
Blackout
Whiteout
Nightout
Stealth
Charcoal
Azul
2Undr Swing Shift Trunk Heathered Solid 2Undr Swing Shift Trunk Heathered Solid - 0 Buy onyx 2Undr Swing Shift Trunk Heathered Solid Buy diamond 2Undr Swing Shift Trunk Heathered Solid Buy sapphire 2Undr Swing Shift Trunk Heathered Solid Buy jade 2Undr Swing Shift Trunk Heathered Solid Buy ruby 2Undr Swing Shift Trunk Heathered Solid Buy amethyst 2Undr Swing Shift Trunk Heathered Solid

2Undr Swing Shift Trunk Heathered Solid

2Undr

$38.00 CAD
6
Onyx
Diamond
Sapphire
Jade
Ruby
Amethyst
2UNDR Flow Shift Trunk - Solid - My Filosophy 2UNDR Flow Shift Trunk - Solid - My Filosophy 2UNDR Flow Shift Trunk - Solid - My Filosophy 2UNDR Flow Shift Trunk - Solid - My Filosophy 2UNDR Flow Shift Trunk - Solid - My Filosophy Buy white 2UNDR Flow Shift Trunk - Solid

2UNDR Flow Shift Trunk - Solid

2Undr

$35.00 CAD
4
Black
2UNDR Flow Shift Trunk - Solid - My Filosophy
Navy
White
2Undr Swing Shift Boxer Brief Prints - Coastal Blue 2Undr Swing Shift Boxer Brief Prints - Coastal Blue - 0

2Undr Swing Shift Boxer Brief Prints - Coastal Blue

2Undr

$38.00 CAD
2Undr Swing Shift Boxer Brief Prints -Bison 2Undr Swing Shift Boxer Brief Prints -Bison - 0

2Undr Swing Shift Boxer Brief Prints -Bison

2Undr

$38.00 CAD
2Undr Swing Shift Boxer Brief Prints - Kitty Corner 2Undr Swing Shift Boxer Brief Prints - Kitty Corner - 0

2Undr Swing Shift Boxer Brief Prints - Kitty Corner

2Undr

$38.00 CAD
2Undr Swing Shift Boxer Brief Prints -Vintage Muscle 2Undr Swing Shift Boxer Brief Prints -Vintage Muscle - 0

2Undr Swing Shift Boxer Brief Prints -Vintage Muscle

2Undr

$38.00 CAD
2Undr Swing Shift Boxer Brief Prints - Man's Best Friend 2Undr Swing Shift Boxer Brief Prints - Man's Best Friend - 0

2Undr Swing Shift Boxer Brief Prints - Man's Best Friend

2Undr

$38.00 CAD
2Undr Swing Shift Boxer Brief Prints - Coastal Black 2Undr Swing Shift Boxer Brief Prints - Coastal Black - 0

2Undr Swing Shift Boxer Brief Prints - Coastal Black

2Undr

$38.00 CAD
2Undr Day Shift Boxer Brief Solid - Black - My Filosophy 2Undr Day Shift Boxer Brief Solid - Black - My Filosophy 2Undr Day Shift Boxer Brief Solid - Black - My Filosophy 2Undr Day Shift Boxer Brief Solid - Black - My Filosophy

2Undr Day Shift Boxer Brief Solid

2Undr

$32.00 CAD
3
Black
 
Navy
2Undr Swing Shift Coastal Blue Trunk 2Undr Swing Shift Coastal Blue Trunk - 0

2Undr Swing Shift Coastal Blue Trunk

2Undr

$38.00 CAD
2Undr Swing Shift Trunk Print - Trucked

2Undr Swing Shift Trunk Print - Trucked

2Undr

$38.00 CAD
2Undr Swing Shift Trunk Solid - Black - My Filosophy 2Undr Swing Shift Trunk Solid - 0 2Undr Swing Shift Trunk Solid - Black - My Filosophy Buy grey-blue 2Undr Swing Shift Trunk Solid Buy white-grey 2Undr Swing Shift Trunk Solid Buy navy-grey 2Undr Swing Shift Trunk Solid

2Undr Swing Shift Trunk Solid

2Undr

$38.00 CAD
4
2Undr Swing Shift Trunk Solid - Black - My Filosophy
Grey/Blue
White/Grey
Navy/Grey
2Undr Swing Shift Boxer Brief Prints - Nightout

2Undr Swing Shift Boxer Brief Prints - Nightout

2Undr

$38.00 CAD
2Undr Swing Shift Man's Kitty Corner Trunk 2Undr Swing Shift Man's Kitty Corner Trunk - 0

2Undr Swing Shift Man's Kitty Corner Trunk

2Undr

$38.00 CAD
2Undr Swing Shift Boxer Brief Prints -Valentinto 2Undr Swing Shift Boxer Brief Prints -Valentinto - 0

2Undr Swing Shift Boxer Brief Prints -Valentinto

2Undr

$38.00 CAD
2Undr Swing Shift Boxer Brief Prints - Swingers 2Undr Swing Shift Boxer Brief Prints - Swingers - 0

2Undr Swing Shift Boxer Brief Prints - Swingers

2Undr

$38.00 CAD
2Undr Swing Shift Nightout Trunks

2Undr Swing Shift Nightout Trunks

2Undr

$38.00 CAD
2Undr Swing Shift Turtlenecks Trunk 2Undr Swing Shift Turtlenecks Trunk - 0

2Undr Swing Shift Turtlenecks Trunk

2Undr

$38.00 CAD
2Undr Swing Shift Upper Deck Trunk 2Undr Swing Shift Upper Deck Trunk - 0

2Undr Swing Shift Upper Deck Trunk

2Undr

$38.00 CAD