
Boxer Briefs
GAGLI GMU003 Men's Modal Boxer Briefs: 30% Softer Than Cotton, Silk-Smooth & Breathable for All-Day Wear
The silkiest everyday upgrade in the lineup.
$23.99
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)
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Why we made this
If you love the natural feel of cotton but are looking for something silkier and smoother—GMU003 is built for those who want a higher standard for their daily wear.
Most basic underwear on the market still uses 40-count cotton—rough texture, poor breathability. The GMU003 starts with a better foundation: 50s ultra-fine Modal, which is 30% softer and 30% more breathable than cotton. It feels smooth as silk against your skin.
The GMU003 is the highest-tier line in GAGLI's entire collection. From the Modal fabric and flatlock seams to the 1.2mm thin waistband—every detail is engineered for premium everyday wear. No compromises. Just next-level comfort.
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 significantly 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
- 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.
- Flatlock Seams (Main Body) — Unlike standard 4-needle stitching, flatlock seams feature a flatter, smoother profile with minimal ridges. This reduces friction and chafing while maintaining stronger, more durable connections at the joints. This premium stitching is a signature upgrade of the GMU003.
- 18-Needle Stitching (Leg Openings) — Industry standard is 15–16 needles. We use 18-needle density to ensure the leg hems stay flat and don't roll up—even after many washes.
- 0.05mm Screen-Printed Label — No more scratchy tags. Printed directly onto the inner back waistband. Virtually imperceptible, zero irritation.
Specifications
| Brand | GAGLI |
|---|---|
| Collection | Boxer Briefs Premium Modal Series |
| Product Positioning | GAGLI's top-tier everyday line |
| 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 | Flatlock seams (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 | Long hours at a desk, daily home wear, premium everyday comfort |
What wear-testers say
“I've worn cotton for years and thought it was fine—until I tried these. The modal feels completely different. The 50-count fabric is super smooth, like you're wearing nothing at all. I've had my 3-pack for two months now, and they're still just as soft after every wash.”
“I have sensitive skin and I'm super picky about tags and stitching. The flatlock seams on these are incredibly smooth—almost no ridges. Combined with the tagless label, I can wear them all day without any itching. The modal is also way more breathable than cotton, great for warmer weather.”
Frequently asked questions
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