Father's Day Gift Packs

Give your dad the ultimate Father's Day gift this year. An exclusive gift pack, which includes both game changing underwear and socks. Providing him with comfort and support that he will never stop appreciating!

  • Speedy, clever access for when nature calls.
  • 9/10 Customers: Best Underwear They've Ever Worn!
  • Exclusive Father's Day card included in pack.

Select your gift pack...

Standard Gift Pack

2 x Pairs of Underwear, 2 x Pairs of Socks, 1 x Father's Day Card - and FREE delivery!

Mini Gift Pack

1 x Pair of Underwear, 1 x Pair of Socks, 1 x Father's Day Card


Internal pocket support you never thought you needed


Faster, easier access from the top


No show dual layer agains excess drips

Don't just take our word for it

9/10 rate crossfly the best

Every one of our product is carefully designed and engineered with the best materials and made by premium partners.

The X Fly makes so much sense! I think this will be a real hit for older Guys who need to go more often, and sometimes at short notice!

Darren P.

These are well-made, comfortable and don't get you hot and bothered in the nethers!

Andrew Stewart

Have been looking for something to replace my Calvin Klein cotton stretch trunks and these are so much better. Great design, perfect fit and material.

Andrew Preston

Excellent! Very comfortable, great style and easiest to use fly. I have no hesitation in recommending them and will certainly be ordering more.


The most comfortable underwear I've ever had. Great design with an easy access flap.

Keith Oxley

Love them, or get your money back

1. Coccoon

Pocket system for greater comfort and support

2. X-Fly

Fastest fly you'll find combined with a hidden dual-layer that protects against excess drips.

3. ZeroFold Waistband

Using top quality fabric, it is designed to stay in place.

4. Luxurious Fabric

Silky soft modal fabric is breathable for all day comfort and sustainably made.escription here.

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.