Collection of Debriefs mens underwear laying on table

Men's Underwear


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Super soft

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Made in Turkey

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Sustainable

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Moisture control

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3D support pouch

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Man wearing Debriefs mens trunks underwear - black front Man wearing Debriefs mens trunks underwear - black side
Short legTrunks
Sale priceFrom $28
654 reviews
Save 8%
Mens Trunks Underwear Australia 3 Pack - Black Blue Navy Mens Trunks Underwear Australia 3 Pack - All Black
Short legTrunks - 3 Pack
Sale price$99 Regular price$108
654 reviews

Save up to 22% with a multipack

Create your own or choose a curated one

Save 17%
Debriefs men's underwear online trunks 6 pack - Black Blue Navy Debriefs men's underwear online trunks 6 pack - Black
Short legTrunks - 6 Pack
Sale price$180 Regular price$216
654 reviews
Build a pack & save
Man wearing Debriefs mens boxer briefs underwear - black front Man wearing Debriefs mens boxer briefs underwear - black side
Long legBoxer Briefs
Sale priceFrom $28
486 reviews
Save 8%
Mens Boxer Briefs Underwear Online 3 pack - Black blue navy Mens Boxer Briefs Underwear Online 3 pack - Black
Long legBoxer Briefs - 3 Pack
Sale price$99 Regular price$108
486 reviews
First pair guarantee icon - Debriefs mens underwear

Comfort guarantee

If you don't love your first pair, they're free!

Save 17%
Mens Boxer Briefs Underwear Online 6 pack - Black Blue Navy Mens Boxer Briefs Underwear Online 6 pack - Black
Long legBoxer Briefs - 6 Pack
Sale price$180 Regular price$216
486 reviews

Got a question?

The underwear

Trunks have a short leg, boxer briefs have a long leg.
If you're an active guy, or you have larger legs, we recommend choosing boxer briefs. If you have a sedentary lifestyle, work behind a desk, or have thinner legs, we recommend choosing trunks.

Debriefs are made from 95% MicroModal™ AIR and 5% Elastane. MicroModal™ AIR is a sustainably sourced fabric that's produced from beech wood trees grown in Austria. The added Elastane provides extra stretch for a snug fit that moves as you do.

Debriefs are made in Turkey by our GOTS certified manufacturer. The MicroModal™ AIR we use is sourced from Lenzing in Austria.

We’ve gone to great lengths to ensure we work with sustainable and natural materials where ever we can. MicroModal™  AIR is a sustainably sourced fabric that is 100% biodegradable. It's one of the most sustainable fabrics in the world and supersedes cotton with it's eco-friendly qualities.

All of our manufacturing partners are GOTS certified and abide by sustainable production practices.

We also use 100% biodegradable mailing satchels, and carbon neutral shipping providers.

It's easy! Simply add all the items you want to your cart and a discount will be applied automatically. The more you add, the higher the discount will be.

You can mix any style, colour and size.

Nothing. The price will work out the same. You just have the option to create your own multipack with any style, colour and size combination, or select a pre-made one.

Shipping, returns & guarantee

Orders are processed within 1-2 business from confirmation. Australian orders are shipped via Couriers Please or Australia Post depending on your location.

Estimated delivery time is 1-3 business days for metro areas, and 2-6 business days for rural areas.

All international orders are shipped via Australia Post and are estimated to arrive within 3-10 business days.

Tracking information is provided for all orders upon shipment.

Express shipping is available for all orders at an additional fee.

All orders are shipped from Sydney, Australia.

Yes, we ship worldwide.

We accept returns within 30 days of delivery if they are unworn, unwashed, and in their original packaging. You can exchange your items for a different pair, or request a full refund of the purchase price.

To submit a return, please visit the returns page.

If you're not satisfied with your first pair of Debriefs and it's within 30 days of receiving them, you can request a refund from the returns page here.

Refunds are only eligible on first time purchases, and are limited to 1 pair.

All underwear purchased from Debriefs come with a 12-month warranty which covers holes, tears and loss of elasticity.

It does not cover any defects caused by improper use, defects caused by improper care, pilling, and general wear and tear.