Men's sexy underwear is any style designed to combine visual appeal with a confident, flattering fit. That could be a sculpted brief, a low-rise trunk, a bold jockstrap, or minimal mens string underwear. The real difference between underwear that just exists and underwear that actually makes you feel good? Knowing which style suits your body and lifestyle.
You don't need to go minimal to look good. You need to go right. The right style, the right fabric, and the right fit do more work than any novelty cut ever will. That's the core idea behind sustainable men's underwear that performs as well as it looks.
This guide covers every major style of men's sexy underwear, what partners genuinely find attractive, how fabric choices affect both look and feel, the common mistakes men make with sizing, and exactly how to nail your fit. Useful information. Honest takes. No filler.
What Are the Different Types of Men's Underwear? (And What Are They Actually Called?)
Men's underwear styles have surprisingly specific names, and the terminology trips up a lot of people. Briefs are the classic low-cut style with no leg. Trunks are short-legged with a square cut. Boxer briefs extend further down the thigh. Jockstraps offer an open back with front support. String underwear covers thongs and G-strings. Each serves a different purpose and projects a different look.
Briefs
The classic brief has had a serious glow-up. Modern brief underwear styles sit lower on the hip, feature contoured anatomical pouches, and come in fabrics that feel genuinely luxurious. They're unapologetically bold. You need confidence to wear them, and that confidence reads across a room.
Pros: Maximum visual impact, unbeatable ventilation, clean silhouette at the front with a good pouch design. Cons: Less coverage than other styles, not ideal for all thigh shapes, requires a confident mindset.
The Blue Gray Brief
Classic briefs offer timeless appeal and confident support for everyday wear.
$26.00$13.00
Shop Now →Trunks
Trunks are often confused with boxer briefs, but the difference is real. A trunk has a shorter, square-cut leg - usually sitting around mid-thigh or higher - with a more fitted overall silhouette. They strike a balance between coverage and a clean, modern profile that works on most body types.
Pros: Versatile, flattering on most builds, modern look that photographs well. Cons: Leg can ride up on very muscular thighs, less coverage than boxer briefs.
Boxer Briefs
Boxer briefs extend further down the thigh, offering more coverage while keeping the fitted, supportive profile. They suit a wider range of body types and remain the most popular everyday style for good reason. The longer leg helps prevent thigh chafing, which is a practical bonus most men only appreciate after they've experienced its absence.
Pros: Broadest body-type compatibility, anti-chafe leg length, supportive without sacrificing style. Cons: More fabric can mean more warmth in summer; bulkier under slim-fit trousers.
The Charcoal Gray Boxer Brief
Boxer briefs combine coverage with sleek styling for modern comfort and confidence.
$26.00
Shop Now →Jockstraps
Mens jock underwear is defined by its open back: two straps frame the seat while a pouch provides front support. Originally athletic wear, jockstraps have crossed into fashion territory. They're now one of the most visually striking options in a man's drawer, if you have the nerve to go there.
Pros: Maximum rear visibility, strong athletic association, excellent front support. Cons: Very specific aesthetic, not suited to everyday office wear, polarising in partner preference surveys.String Underwear: Thongs vs. G-Strings
Mens string underwear covers both thongs (narrow triangular back panel) and G-strings (thin cord only). Both eliminate visible underwear lines under fitted clothing and require genuine comfort with minimal coverage. Neither style is for the faint-hearted, but neither requires an apology either.
Pros: Zero visible lines, minimal fabric, bold statement. Cons: Not universally comfortable for long wear, takes adjustment to the sensation.
Getting the terminology right matters when you're shopping. A well-fitting waistband matters just as much as the style. Check out men's underwear waistband fit to make sure you're not undoing all the style work with a rolling waistband.
What Underwear Styles Do Partners Actually Find Attractive on Men?
The styles partners find most attractive are those that fit well, flatter the body, and signal that the wearer made a conscious choice. Fitted briefs and trunks consistently rank highly in community feedback. Saggy or ill-fitting boxers? Consistently the opposite.
One persistent misconception is that "sexy" automatically means minimal coverage. It doesn't. Members of the TBô Tribe regularly report that well-fitted trunks or boxer briefs read as more appealing than a tiny G-string, because the fit communicates care and intention. Confidence is the actual variable. The style is just the vehicle.
[QUOTE: style or relationship expert on the connection between fit, self-presentation, and attraction]
Style preferences do vary. Here's how each cut tends to land:
Briefs: Bold, direct, and visually arresting. Brief underwear in styles that fit correctly - sitting flush at the hip without cutting in - project confidence in a way few other styles match. They're one of the most consistently attractive options across different preference profiles. Trunks: The crowd favourite. Low-rise trunks with a clean waistband and a sculpted pouch hit a sweet spot between coverage and visual appeal. They work on most body types and photograph well, which is probably why they dominate underwear marketing. Boxer briefs: Safe in the best possible sense. The longer leg is particularly flattering on taller or more muscular builds, adding structure where briefs leave off. The non-negotiable is fit: they must not sag, bunch, or create horizontal creases across the thigh. Jockstraps: High-impact and very specific. Mens jock underwear is not subtle, and that's entirely the point. Men on underwear communities report that jockstraps project a particular kind of intentional confidence that partners respond to positively, when the context is right. String and thong styles: Genuinely polarising. Some partners love them. Others don't. The honest answer: if you feel great wearing them, that confidence tends to be the deciding factor in how they're received. Read about confidence and attraction for more on that connection.
Men's Underwear Styles at a Glance: A Quick Comparison
Trying to decide between styles? The clearest way is side by side. The table below gives you a direct comparison of each major style across fit, coverage, and visual appeal based on general community consensus.
| Style | Coverage | Leg Length | Best For | Visual Appeal (General Consensus) |
|---|---|---|---|---|
| Brief | Low | None | Daily wear, bold looks | High: projects confidence, suits athletic builds |
| Trunk | Medium | Short (square cut) | Everyday, active wear | Very High: modern, flattering on most body types |
| Boxer Brief | Medium-High | Mid-thigh | All-day comfort, versatile | High: clean silhouette, broadly appealing |
| Jockstrap | Low (open back) | None | Sport, specific occasions | High in context: bold, intentional, very specific |
| String/Thong | Minimal | None | No visible lines, summer wear | Mixed: comfort-dependent, polarising |
The table reflects patterns from community discussions and general preference data. Your results will vary depending on body type, confidence, and context. What no table can capture is fabric quality: even the most flattering cut looks underwhelming in cheap, limp material that loses its shape after three washes.
What Materials Work Best for Men's Sexy Underwear?
The best materials for men's sexy underwear are bamboo viscose, modal, and high-quality microfibre. Of these, bamboo viscose offers the most well-rounded combination of softness, breathability, moisture control, and sustainability. Cheap synthetic fabrics may look fine in photos, but they undermine both the feel and the longevity of the garment.
Bamboo Viscose: The Front-Runner
Bamboo fabric is genuinely exceptional for underwear. It's softer than conventional cotton from the first wear, moisture-wicking enough to keep you dry through an active day, and naturally odour-resistant without any chemical treatment. For men's sexy underwear, that last point matters: you want to look good and feel fresh simultaneously.
Bamboo viscose is also notably breathable. The fabric structure allows airflow in a way that many synthetics don't, reducing the trapped heat and moisture that makes cheaper underwear uncomfortable within hours. [CITATION: textile authority comparing bamboo viscose breathability and moisture management to conventional cotton]
TBô's bamboo range is built on exactly this foundation, and the sustainability angle adds something most brands skip entirely. Bamboo grows without pesticides and regenerates quickly after harvest, making it a genuinely lower-impact fibre choice. Sustainable underwear for men doesn't require compromising on luxury feel. Bamboo proves that.
The Pink Brief
Premium bamboo viscose in bold colors: breathable, odour-resistant, and built to keep its shape wash after wash.
$26.00
Shop Now →Modal
Modal is a semi-synthetic fibre derived from beech trees. It's incredibly soft and drapes beautifully, giving it a smooth, flattering profile against the skin. It's less moisture-wicking than bamboo but exceptionally comfortable for low-activity days or cooler seasons. If your priority is a silky, second-skin feel with slightly less performance focus, modal delivers.
Microfibre
High-quality microfibre is lightweight and retains its shape well, making it popular for trunks and briefs where a sculpted silhouette matters. Lower-quality microfibre, however, tends to pill, lose elasticity, and trap heat. That's another reason why choosing quality over fast fashion is a decision you'll feel every single morning.
Common Fabric Mistakes Men Make With Men's Sexy Underwear
This is where most men go wrong, and it's worth naming directly.
Buying on price alone. A beautiful cut in poor fabric is still poor. Thin, loose-weave material shows every imperfection, loses its shape after a handful of washes, and doesn't hold the structure that makes a brief or trunk look sharp. Spend more once. Wash it on a gentle cycle. The garment lasts longer and looks better throughout its life. Ignoring fabric composition labels. "Soft" on a label means nothing. Check the actual fibre content. Anything listed as "polyester blend" without a premium secondary fibre (modal, bamboo, Tencel) is likely a race-to-the-bottom synthetic that will look and feel tired within weeks. Washing on high heat. Bamboo and modal both respond badly to heat. A cold, delicate cycle preserves elasticity and fabric structure significantly longer than a standard hot wash. That's not a minor point: it's the difference between underwear that lasts two years and underwear that lasts six months. Confusing fabric weight for quality. Heavier doesn't always mean better. Bamboo viscose is relatively lightweight but maintains its structure through stretch because of the fibre's natural tensile properties, not its thickness. Ultra-heavy cotton blends can feel sturdy on the shelf but stiff and slow-drying in actual use.TBô's dual EU/US sizing system is part of this quality story: precise sizing means the fabric sits correctly on your body, which is the difference between a garment that looks sculpted and one that just... arrived. Proper flatlock stitch construction eliminates the irritating seams that cheaper underwear hides in all the wrong places.
How Should Men's Underwear Fit to Look and Feel Its Best?
Underwear fits correctly when the waistband sits flat without digging in, the leg openings lie flush against the skin without cutting into the thigh, and the pouch provides support without constriction. If any of these three elements are off, the look suffers regardless of price tag.
Waistband
The waistband should sit where it's designed to sit, low-rise on the hip or mid-rise at the natural waist, and it should not roll. A rolling waistband is a sizing or quality problem. No-roll waistband underwear solves this through construction, not willpower.
Leg Openings
Leg openings that leave red marks are too small. Leg openings that gape or shift upward are too large. Neither looks good. The most common sizing mistake men make is going one size too large "for comfort," which actually makes underwear look sloppier and feel less supportive.
Pouch Design
A contoured or anatomical pouch does something flat-front underwear simply can't: it holds everything in place comfortably and creates a clean, intentional silhouette at the front. The front fly in traditional underwear exists for functional access, but in modern fitted styles it's often replaced by a seamless pouch panel for a cleaner profile.
TBô's dual EU/US sizing removes the guesswork entirely. You can cross-reference your measurement in both systems to land in exactly the right fit rather than rounding up and hoping.
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What Styles of Men's Sexy Underwear Are Currently Popular and Trending?
In 2026, the trending styles in men's sexy underwear are low-rise trunks, contour briefs with anatomical pouches, and a noticeable revival of jockstrap-inspired cuts. Bold, saturated colours are replacing basic neutrals as the everyday choice for men who've realised that what's under their clothes actually matters.
Many shoppers are gravitating toward trunks with a lower rise and a wider, more prominent waistband. The waistband has become a style statement of its own: visible above low-rise jeans, it functions almost as an accessory. Search interest in "jock-style" briefs has grown steadily, with buyers borrowing the structural open-back silhouette without committing to a full athletic jockstrap.
TBô's Tribe community of 400,000+ members actively shapes what gets developed and which colourways make it to production. This isn't a brand guessing at trends. It's a community defining them.
Colour is the other shift worth noting. Solid blacks and whites remain staples, but deep navy, forest green, burnt orange, and geometric prints are becoming genuinely popular everyday choices rather than "occasion only" picks. If you're heading somewhere the underwear might be seen (gym, beach, any locker room), a bold colour or clean print signals effort in a way that a default grey cannot. See how underwear fits into gym bag essentials for men or packing for a beach vacation for practical style guidance.
Frequently Asked Questions About Men's Sexy Underwear
Can men wear women's underwear?
Yes. There's no rule against it, and many men find that certain women's styles, thongs especially, offer a fit that works for their body. The practical consideration is sizing: women's underwear uses different sizing conventions, so measure carefully and convert before buying.
What is the purpose of the front opening in men's underwear?
The front fly provides functional access without removing the underwear entirely. In many modern fitted styles (briefs, trunks with anatomical pouches), the fly has been replaced by a seamless pouch panel that prioritises a clean front silhouette over traditional function. Both are valid. Choose based on what you actually use.
What are the benefits of bamboo fabric for men's underwear?
Bamboo viscose is moisture-wicking, naturally odour-resistant, and softer than conventional cotton from the first wear. It's also more breathable than most synthetics, which matters for all-day comfort. The sustainability credentials are genuine: bamboo grows without pesticides and regenerates quickly. For underwear specifically, the breathability and odour control make it the strongest all-round performer.
How should men's underwear be folded for storage efficiency?
The ranger roll works well: lay the underwear flat, fold the waistband down about three centimetres, roll the garment tightly from the bottom up, then tuck the roll into the folded waistband cuff. It keeps the waistband intact, saves drawer space, and makes individual pairs easy to grab without disturbing the rest.
How do I know if my underwear is the wrong size?
Three reliable signals: the waistband rolls or digs in (too small or poor construction), the leg openings leave red marks (too small) or shift upward during the day (too large), or the pouch offers no support and bunches (too big overall). If any of these apply, size down or cross-reference measurements using a dual EU/US sizing chart before reordering.
What makes underwear actually look sexy rather than just minimal?
Fit is the primary factor, not cut. A well-fitted trunk in a bold colour reads as intentional and confident. The same trunk in the wrong size looks like an afterthought. Fabric quality is the secondary factor: structured, smooth material holds the silhouette. After that, colour and style choice are personal.
Is sustainable underwear worth the higher price?
For most men, yes. Better fabric lasts longer, which reduces cost-per-wear over time. Bamboo viscose specifically holds its shape and softness through significantly more wash cycles than cheap cotton blends or synthetics. The environmental impact reduction is a genuine bonus on top of the performance difference. See the case against fast fashion for a fuller breakdown of why cheap basics tend to cost more in the long run.
The Bottom Line on Men's Sexy Underwear
Men's sexy underwear comes down to three things: fit, fabric, and the confidence that follows when both are right. The style matters, but it's the starting point, not the destination. A well-fitted trunk in bamboo viscose will consistently outperform a poorly fitted designer brief in cheap polyester, both visually and physically.
Bamboo fabric remains the standout material choice: softer, more breathable, naturally odour-resistant, and genuinely sustainable in a way that most fast-fashion alternatives aren't. Add a contoured anatomical pouch, a no-roll waistband, and dual EU/US sizing, and you've covered every variable that separates good underwear from great underwear.
Bold colours and lower rises are where the style conversation is heading in 2026. But the fundamentals haven't shifted: wear something that fits, wear something that feels good, and the confidence handles the rest.
Explore sustainable men's underwear at TBô and find the style that works for how you actually live.
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