Boxer Briefs
GAGLI GMU004 Men's Modal Boxer Briefs: 30% Softer Than Cotton, 5-Inch Long Leg That Never Rides Up
All the silkiness of GMU003, with longer legs that stay put when you move.
$24.99
Final price available on Amazon
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- ✓91% Micro Modal + 9% Spandex (50s high-density weave, 190g/m²)
- ✓35 mm wide × 1.2 mm ultra-thin, 40D superfine nylon, 1.8x stretch ratio
- ✓OEKO-TEX Standard 100 (Formaldehyde not detected, pH 6.5–7.0)
- ✓S–XXL (waist 28–46 in / 71–117 cm)
Color
Why we made this
If you've been loyal to the natural feel of cotton but crave something silkier and smoother, GMU004 is built for you. It takes the same 50s Micro Modal foundation as GMU003 — 30% softer and 30% more breathable than cotton — and adds a 5-inch long inseam that stays anchored to your thigh.
We designed it for guys who move: campus walks, gym sessions, weekend runs. The longer leg doesn't feel tight — it simply removes the need to tug your underwear back down every few kilometers. No ride-up, no roll-up, just a stable, second-skin fit.
GMU004 sits in GAGLI's top-tier line alongside GMU003 — the only difference is leg length. From the Modal fabric and hemp-bone seams to the 1.2mm thin waistband, every detail is engineered for premium everyday wear, now tuned for an active life.
Fabric science
- 50s Ultra-Fine Modal — 50-count high-density yarn (standard is 40-count). Compared to equivalent cotton, the tactile feel is 30% finer, making it noticeably smoother and more comfortable for all-day wear.
- 190g/m² — Most budget underwear uses 160–170g/m², which feels thin and breaks down easily. At 190g/m², we strike the perfect balance between breathability and structure—so it won't sag or ride up, holding its shape wash after wash.
- 91% Modal + 9% Spandex — Modal is 30% more breathable than pure cotton, offering a silky-smooth touch that cotton simply can't match at the same grade. The Spandex ensures a flexible fit that moves with your body and retains shape over time.
- Backed by Data — "30% more breathable" is based on 3rd-party lab testing; "30% softer" is based on internal sensory evaluations.
Mesh pouch ventilation tech
- 3,800+ Mesh Holes (Pouch Area) — Continuous airflow where you need it most. Enhances ventilation to keep you cool and dry—no moisture, no odor, whether you're on the go or chilling at home.
- 24/7 Breathability — Keeps air circulating constantly, wicks heat and moisture away effectively.
- 2.4x Stretch Capacity — Whether you're bending, squatting, or moving around, the mesh expands naturally. Less restriction, more freedom.
Waistband tech
- 35mm Width — Standard is 25–30mm. The wider 35mm design spreads pressure evenly across your waist—less digging in after a 10-hour day.
- 1.2mm Ultra-Thin — Standard is 1.5–2.0mm. This is the thinnest waistband in the GAGLI lineup. Lighter, less bulky, and virtually invisible under dress pants.
- 40D Superfine Nylon — One of the finest specs available for men's underwear waistbands. Smooth and non-irritating against the skin.
- 1.8x Elastic Stretch — Flexes with your waist movement, accommodating different body types without feeling tight.
Fit & anti-chafe design
- 5-Inch Long Inseam — The only difference from GMU003 (3-inch regular). The longer leg adds coverage and grip on the thigh, preventing ride-up and roll-up during running, squats, and workouts.
- No-Fly Design — The front pouch is constructed as a seamless, single panel. Fewer seams mean less wear-and-tear and a cleaner, neater fit. Perfect for daily work and lounging.
- Hemp-Bone Stitch (Main Body) — A finer, flatter stitch than standard 4-needle 6-thread sewing. Lower profile means less friction and chafing, with stronger, more durable joins—a signature upgrade of the GMU003/GMU004 premium line.
- 18-Needle Stitching (Leg Openings) + 0.05mm Tagless Label — Industry standard is 15–16 needles; we use 18-needle density so leg hems stay flat and don't roll up. The 0.05mm screen-printed label is virtually imperceptible—zero irritation.
Specifications
| Brand | GAGLI |
|---|---|
| Collection | Boxer Briefs Premium Modal Series (Long-Leg) |
| Product Positioning | GAGLI's top-tier everyday line |
| Inseam | 5" |
| Material | 91% Micro Modal + 9% Spandex |
| Yarn Count | 50s (High-density yarn) |
| Fabric Weight | 190 g/m² |
| Fabric Characteristics | 30% softer than cotton, 30% more breathable (vs. cotton) |
| Insert | Mesh pouch fabric (3800+ breathable holes, 2.4x stretch) |
| Waistband Width | 35 mm |
| Waistband Thickness | 1.2 mm (Thinnest in the GAGLI line) |
| Waistband Material | 40D superfine nylon |
| Waistband Stretch Ratio | 1.8x |
| Fly Style | No-fly |
| Main Body Stitching | Hemp-bone stitch (flatter, smoother profile) |
| Leg Opening Stitching | 18-needle stitch |
| Label Type | 0.05mm screen-printed (invisible tag) at inner back waist |
| Safety Certification | OEKO-TEX Standard 100 (Formaldehyde free, pH 6.5–7.0) |
| Care Instructions | Machine wash cold (≤40°C), tumble dry low |
| Pack Contents | 3-pack / 6-pack |
| Best For | Running, gym, commuting, all-day wear |
What wear-testers say
“I used to think cotton was comfortable enough—until I tried the Modal in GMU004. The 5-inch long leg was the biggest surprise: no ride-up or roll-up during runs and squats. With my old pairs I'd tug them back down every few steps; now I don't think about it at all.”
“I have sensitive skin and I'm picky about tags and stitching. The hemp-bone stitch on these is incredibly smooth—almost no ridges. Combined with the tagless label, I can wear them all day with zero itching. The Modal breathes better than cotton too, great for workouts, and the 5-inch leg gives just the right amount of hold.”
Frequently asked questions
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