4 Pack Mens Underwear – Cage Fight

$59.95 incl.

in black boxer briefs,4 pack mens underwear GET MORE OF THESE BAD BOYS FOR LESS. Cover all your bases in the Trunks and Boxer Briefs 4-Pack.The choice of champions. The 4-Pack mens underwear set gives you:2 Boxer Briefs2 Trunks Victory can be yours every day in these bad boys. Step up and give the boys a…


in black boxer briefs,4 pack mens underwear


Cover all your bases in the 
Trunks and Boxer Briefs 4-Pack.
The choice of champions.

The 4-Pack mens underwear set gives you:
2 Boxer Briefs
2 Trunks

Victory can be yours every day in these bad boys.

Step up and give the boys a fighting chance!

Our Comfy underwear doesn’t bunch up, and keeps the team in check.

Guys choose to stay with SLY year after year because we set the benchmark in athleisure men’s underwear.

At work, at the gym, or on the couch.

Our superbly comfortable fit with a generous pouch give the boys plenty of room to move.

So when your day has you in a tight squeeze and you feel it’s either fight or flight, you can depend on support where you need it most. Like a wingman in the ring.

The day belongs to you.

Get up and at it.

When you’re giving it your best, this is quality you deserve.

With SLY you’re in good company.

SLY Collective has an impressive range of Australian mens underwear available online.

Browse our vibe.


In the fight for supremacy – at work, on the couch, or at the gym, this is easily your go-to Australian men’s underwear of choice.

The 4 pack mens underwear has awesome features like a longer inseam, so there’s no more bunching and chafing.

The soft, high density waistband won’t roll, keeping you in your COMFORT ZONE.

Plus our trademark quirky SLY pocket keeps your essential man stuff on-hand. Anything from money to the remote control.


SLY Collective comfort is the choice of champions.

Underwear to suite your lifestyle and your pocket, all day and way into the night.


  • Natural, breathable cotton combined with form-hugging modal for a longer lasting, no-sag experience.
  • U-shaped contour 3D pouch underwear that nestles the squad in ultra comfortable accomodation.
  • Convenient hip-pocket underwear keeps important items safe on your body. Stash anything from money to the remote control. Unmistakably the best travel underwear for safeguarding passports.


  • Pocket underwear fits iPhone X
  • Leg elastic prevents riding up 
  • Superior comfort with U-shaped pouch
[For all your mens trunks underwear requirements]
  • Contoured 3D pouch design
  • Light cotton feel
  • No inner thigh seams
  • No manfront-you can literally wear them out
  • Hip pocket
  • Sizes available S – XXL*4 pack mens underwear


50% Cotton 45%Modal 5% Elastane.

Feels like cotton. Washes like cotton. Absorbs moisture like cotton.




cold/warm wash

no bleach

Why does underwear have pockets?

Did you know the quirky SLY pocket was the brainchild of Dustin Slypen when he was out having a beer with mates back in 2006?  He came up with the idea of men’s pocket underwear for a guys ultimate night out! Fast forward a few years and now pocket underwear holds anything from iPhones to your passport. Keeping your important stuff safe.

SLY Collective boasts an impressive range of mens underwear online that takes underwear to the next level. The quality of our mens trunks and boxer briefs is way ahead of the pack.

Loyal customers have come to appreciate buying SLY Collective mens underwear online for our consistent and premium quality. As an independent business we get to know more about our customers so we can move forward

We make it easy and convenient for you to top up your undie-drawer year after year.

So take the plunge and give these bad boys a run for their money. With SLY your bottom is tops.

P.S. Going commando is not necessary when you feel this good in our boxer briefs.

Remember – wear SLY or nothing!


Additional information

Weight0.490 g
Dimensions33 × 25 × 4 cm

Fit type

Boxer briefs slim fit, Trunks slim fit

Washing Instructions

30deg wash machine temperature. Low tumble dry. Cool iron

Pack includes

2 pairs of cotton trunks and 2 pairs of socks


Guy Size Options

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