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.

No, it's a fly opening. We've bucked the trend and designed a fly in a horizontal layout because it's much more practical than a vertical fly. It gives you quicker, easier access when nature calls and eliminates the fumble you'd get with traditional fly designs.

Once you try it, you'll wonder how you ever managed without it.

Debriefs are made from 94% MicroModal™ and 6% Elastane. MicroModal™ is a sustainably sourced fabric that's produced from beech wood trees grown in Europe. 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.

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.