Most men wear whatever style they grew up buying. That's not a fit decision — it's a habit. And habits rarely account for body type, activity level, or what you're wearing on top. If you've never actually compared the three core silhouettes side by side, here's the breakdown.
Briefs: Maximum Support, Minimum Fabric
Briefs sit at the hip, use a fuller front panel, and hold everything close to the body. That structure is what makes them the go-to for support — less movement means less friction, which matters if you're active, on your feet all day, or just prefer things staying put.
Best for: Athletic builds, high-movement days, wearing under fitted trousers or chinos where you don't want visible lines from a longer leg.
Trade-off: Less coverage on the thigh, so in warmer climates the exposed skin can mean more chafing against fabric edges if the size isn't right.
Our Briefs collection leans into performance mesh fabrics for exactly this reason — support without the fabric weight.
Trunks: The Modern Middle Ground
Trunks are the newest of the three styles, and it shows in how they're built. Shorter leg than a boxer, but with a straight-cut hem that sits mid-thigh instead of hugging the hip like a brief. You get more coverage than a brief, less bunching than a boxer.
Best for: Everyday wear, most body types, anyone who wants one style that works under both jeans and tailored trousers without a second thought.
Trade-off: Slightly less "locked in" than a brief if you're doing high-intensity training — the longer leg has marginally more room to shift.
If you only buy one style going forward, trunks are usually the safest, most versatile choice — which is why they're consistently one of our best-reviewed categories.
Boxers: Room to Breathe, Less Structure
Loose-cut, full coverage, minimal compression. Boxers prioritize airflow and comfort over support. They're the most breathable option by a wide margin, but they also move the most — which isn't a flaw, just a different job.
Best for: Sleep, loungewear, looser-fit trousers, hot weather when structure matters less than airflow.
Trade-off: Under slim-fit or tailored clothing, boxers can bunch or create visible lines that briefs and trunks avoid.
So Which One Is Right for You?
Ask yourself two questions: how much are you moving today, and how fitted are your outer clothes?
- High movement + fitted clothes: Briefs
- Everyday movement + most clothes: Trunks
- Low movement + loose clothes: Boxers
The honest answer for most men is that you need more than one style in the drawer — not one for every day, but one for every kind of day. Start with a well-built pair of each and you'll know within a week which one you reach for without thinking.