Men's

Men's Underwear, T-Shirts and Tanks – Boxer Briefs, Trunks, Briefs, Undershirts and Everyday Basics

Men's basics have changed more in the last decade than in the fifty years before it. Underwear has moved from generic cotton briefs and loose boxers to engineered garments with anatomical pouches, anti-chafe flat seams, moisture-wicking fabrics, and no-ride-up leg construction. Undershirts have moved from shapeless white crewnecks to fitted, fabric-specific layers designed to stay tucked, manage sweat, and remain invisible under dress shirts. The shift happened because the industry finally addressed the problems men actually have with basics — chafing, bunching, riding up, sweat retention, and the constant need to adjust — rather than assuming that a cotton tube with elastic was good enough.

Men's Underwear – Boxer Briefs, Trunks, Briefs and Boxers

Boxer briefs are the most popular men's underwear silhouette by a wide margin. They combine the snug, supportive fit of a brief with the thigh coverage of a boxer, typically landing mid-thigh with a 5 to 7 inch inseam. The close-to-body fit prevents bunching under pants, and the extended leg eliminates the inner-thigh chafing that shorter silhouettes can cause during walking, running, and all-day movement. Boxer briefs are the default recommendation for nearly every use case — daily wear, exercise, travel, and dress clothing — because they provide the widest range of support without the compromises of other silhouettes.

Trunks are a shorter-inseam version of the boxer brief, typically around 3 inches, cut closer to the leg with a lower rise. They provide the same front support as a boxer brief with less thigh coverage, which makes them feel cooler in warm weather and sit more comfortably under slim-fit or shorter-inseam pants. Trunks are popular in Europe and with men who prefer a more modern, streamlined silhouette that does not extend as far down the thigh.

Briefs offer full front support with zero inseam — the leg opening cuts high at the crease of the hip, leaving the thigh completely uncovered. This makes briefs the most breathable silhouette and the one with the greatest range of leg motion, which is why they remain popular for athletic use, hot climates, and men who find any thigh-length fabric uncomfortable. The tradeoff is the lack of chafe prevention between the inner thighs, which boxer briefs and trunks handle better.

Loose-fit boxers are the most relaxed silhouette — airy, with ample room around the leg and no compression against the body. Boxers prioritize airflow and freedom of movement above all else, which makes them popular for sleeping and lounging. The loose fit means they are less effective under fitted pants (where the excess fabric can bunch and create visible lines) and provide no real support for the genitals during movement or exercise.

Long-leg boxer briefs extend the inseam to 7 or 8 inches, providing coverage to just above the knee. They are designed for taller men, men with larger thighs who find standard boxer briefs riding up, and men who want the maximum possible chafe prevention between the legs. Long-leg styles prevent ride-up more effectively than any other silhouette because the longer leg has more surface area gripping the thigh.

The Pouch: Why It Matters

The most significant innovation in modern men's underwear is the anatomical pouch. Traditional underwear uses a flat front panel that compresses the penis and testicles against the body, which creates friction, traps heat, and forces constant readjustment throughout the day. A pouch-front design uses a three-dimensional, hammock-shaped construction that cradles and separates the genitals from the inner thighs, eliminating skin-on-skin contact and the friction that causes chafing, sticking, and discomfort in warm weather or during physical activity.

The difference between a flat-front pair and a pouch-front pair is immediately noticeable on the first wear. Once you experience the separation and support of a properly constructed pouch, the constant low-grade adjusting and discomfort of flat-front underwear becomes something you are no longer willing to tolerate. Pouch designs also improve breathability by allowing air to circulate around tissue that would otherwise be compressed flat, which reduces heat buildup and moisture accumulation in the groin — a direct contributor to jock itch, odor, and general discomfort during long days or active use.

Underwear Fabrics for Men

Viscose (often labeled as bamboo viscose or modal viscose) has become the dominant fabric in premium men's underwear because it combines silk-like softness with strong moisture-wicking performance. A typical blend of 95% viscose and 5% elastane produces a fabric that feels substantially softer and cooler against the skin than cotton, drapes smoothly under clothing without bunching, and manages sweat effectively during active days. Viscose is the fabric behind most "buttery soft" or "second skin" descriptions in men's underwear reviews.

Cotton remains the most affordable and most breathable option for everyday use. A cotton-elastane blend (typically 96% cotton, 4% elastane) adds enough stretch to maintain the shape of the waistband and leg openings through repeated wear and washing. Cotton is gentle on the skin, absorbs moisture well, and stays comfortable in moderate climates. Its limitation is that it holds moisture rather than wicking it away, which can feel damp after heavy sweating or in hot, humid conditions.

Polyester-elastane blends are the standard in sport and performance underwear. Polyester wicks moisture aggressively, dries fast, and resists odor better than cotton over multi-hour wear. Performance blends are the best choice for gym sessions, running, hiking, and travel where you need underwear that manages sweat without becoming heavy or clammy. Mesh panels in performance underwear increase airflow in high-heat zones without sacrificing support.

Micro modal is a finer-grade version of modal that produces an exceptionally smooth, lightweight fabric with a near-silk hand-feel. It is the premium tier of everyday underwear fabrics — softer than standard viscose, more durable through wash cycles, and the least likely to pill or lose its texture over time.

Anti-Chafe Construction and Fit Features

Flat seams (sometimes called flat-out seams or bonded seams) sit flush against the skin rather than creating a raised ridge where two pieces of fabric meet. Standard seams cause irritation at friction points — the inner thigh, the leg opening, the waistband edge — especially during repetitive movement like walking and running. Flat seams eliminate that friction source entirely, which is why they are a defining feature of quality underwear and not just a marketing detail.

No-roll waistbands use a wider, stiffer elastic construction (or a jacquard-woven waistband) that lies flat against the waist without folding over during sitting, bending, or movement. A rolling waistband is one of the most common complaints about cheap underwear and one of the fastest ways to identify poor construction. No-ride-up legs use a combination of silicone-printed interior grip strips, graduated compression, and longer inseams to keep the leg hem anchored on the thigh rather than creeping upward toward the groin throughout the day.

Men's T-Shirts, Tanks and Undershirts

Men's t-shirts and tanks serve as both standalone tops and base layers depending on the context. A crewneck undershirt sits invisibly under sweaters, hoodies, and casual outerwear, providing a sweat-absorbing barrier that keeps outer layers fresher for longer. A v-neck undershirt drops the neckline below the first button of a dress shirt or polo, preventing the undershirt from showing above an open collar — this is the correct undershirt for any button-down or polo worn with the top button undone. A tank undershirt provides the most minimal base layer with no sleeves, which reduces bulk under fitted dress shirts and stays cooler in warm weather.

As standalone tops, men's tees and tanks follow the same neckline logic as women's basics: crew necks are the most universal, v-necks open the chest for a different visual line, and tanks handle gym sessions, hot weather, and casual layering. Fabric weight matters here — a lightweight jersey (around 4 ounces) drapes loosely and works as a casual warm-weather tee, while a mid-weight cotton (5 to 6 ounces) has enough body to hold a clean shape and works year-round as both a standalone and a layering piece. Heavier-weight cotton (6+ ounces) produces the structured, slightly boxy fit popular in streetwear and oversized casual styling.

Matching Basics to Activity

For everyday wear, viscose or micro modal boxer briefs with a pouch front and a fitted crewneck or v-neck tee handle the widest range of situations. For gym and training, polyester-elastane boxer briefs or trunks paired with a moisture-wicking tank or performance tee keep sweat managed and prevent chafing through high-output movement. For dress and office wear, a flat-seam boxer brief or trunk under trousers eliminates visible lines through suit pants, and a v-neck undershirt sits invisibly under a dress shirt without showing at the collar. For sleep and lounge, loose-fit boxers or relaxed-fit boxer briefs paired with a soft cotton crewneck provide the comfort needed without any compression or restriction.