Search

Underwear packed with smart patent-pending technology

Read more

Socks packed with smart patent-pending technology

Read more

NOT ALL UNDERWEAR IS CREATED EQUAL

We have spent 3.5 years working on the best & most technical pair of underwear man has ever seen. Our material mix have been carefully designed to bring you comfort that lasts all day long whether you’re having an easy day or doing a hard workout.

the result:

9/10 of our testers said:

"They are the BEST underwear they've ever worn"

GAME CHANGED

main-img

coccoon™

Our patent-pending innovative internal pocket system provides greater comfort and support, eliminating skin on skin friction and chafing, keeping you cool when it matters.

FEELS

Support you didn’t know you needed.

DESIGNED FOR

Gym sessions, golf, racket sports, anything active as well as daily commutes.

dri-px2

Our ‘No Show’ Dual layer protects against excess drips and moisture. Its technical qualities and light breathable fabric ensure you’re comfortable all day long.

FEELS

Breathable & discreet.

DESIGNED FOR

Anyone who enjoys great engineering.

main-img

x-fly

Our patent pending technology enables easier, faster access through your trouser fly, removing the need to reach in and pull your waistband down or to undo your trousers.

FEELS

Faster and easier.

DESIGNED FOR

Day and night life.

ZEROFOLD 360

Using top quality fabric, our ZeroFold 360 Waistband is designed to stay in place however active you are.

FEELS

Breathable and discreet.

DESIGNED FOR

Anyone who enjoys great engineering.

main-img

stay fresh

Our anti-microbial fabric is treated so that unwanted smells are eliminated.

FEELS

Comfortable, fresh and dry.

DESIGNED FOR

Active sports including football, rugby, run, tennis, squash, gym and intensive workouts.

breathable

The breathable qualities in the strategically positioned mesh panels gets rid of moisture and dries fast to ensure maximum comfort.

FEELS

Comfortable and airy.

DESIGNED FOR

Daily commute, run, golf, tennis and gym workouts.

coccoon™

X-fLY™

dri-px2™

zerofold 360™

stay fresh

breathable

thumb tab

planet friendly

Crossfly has been a vision of a small team of sporting product professionals from the UK and America. Together, we have acquired decades of experience working in the Sports industry for global brands within Marketing and Product Innovation. After a few false starts, some legal issues, a eureka moment, and a global Pandemic Crossfly was finally ready to get going.


WE'VE RAISED THE BAR and deliver the most comfortable underwear and socks you will ever wear; packed with patent pending technologies and features that offer ultimate comfort whatever you're doing. GAME. CHANGED.

Search