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Relaxed Fit Cotton Knit Boxer (Button Fly) - Navy Blue

$30.00

Relaxed-fit knit boxer in premium dense cotton with a roomy boxer cut for sleep, lounging, and short-style casual wear. The self-fabric no-roll waistband helps reduce pressure and rubbing, while the tone-on-tone button fly and tagless design keep it clean and comfortable.

Color Navy Blue

Size S S M L XL 2XL

Our fabric is stretchy, if you are between sizes or want a more supportive fit, we recommend sizing down.

Size	Waist (in)	Hips (in)
S	28.5-31.45	33.52-36.57
M	31.5-34.45	36.52-39.57
L	34.5-37.45	39.52-42.57
XL	37.5-40.45	42.52-45.57
XXL	41.5-44.45	46.52-49.57
S	72.38-79.88	85.13-92.88
M	80-87.5	92.75-100.5
L	87.62-95.12	100.37-108.12
XL	95.24-102.74	107.99-115.74
XXL	105.4-112.9	118.15-125.9

Risk-Free First Pair Guarantee

Buttery-Soft Premium Jersey Cotton

Loose-Fit Design for "Free Breathing"

Skin-Friendly Fabric-Encased Waistband

Boxers that bunch. Waistbands that dig. Fabric that traps heat all night?

Relaxed Fit — Air-Knit construction built for sleep and lounge. Maximum airflow, zero restriction. As soft as your favorite t-shirt, but made for what’s underneath.

• Loose-Fit Freedom
Relaxed cut that moves with you — no bunching, no riding up, no readjusting.

• Skin-Friendly Comfort
Fabric-encased waistband. No exposed elastic, no digging in — even after hours on the couch.

• Fabric-Encased Waistband
Wrapped in ultra-soft self-fabric. No exposed elastic, zero skin marks.

• Premium Pearl-Button Fly
Lustrous pearlescent button with reinforced stitching. Secure and stylish.

• Flexible Leg Opening
Loose fit through the thigh for total freedom.

• Tagless Label
Stamped-on care info, no annoying tags.

• Pre-Shrunk Knit
Maintains shape and size wash after wash.

• True-Color Retention
Deep-anchored pigments resist fading. Looks new wash after wash.

Fabric：Premium Cotton
Jersey Knit: Soft, breathable knit structure (like a premium T-shirt), not stiff.
4-Way Stretch: Moves with your body while you sleep, zero restriction.
Cool Touch: High airflow weave prevents overheating.

Fit: Relaxed, loose fit.
Material: 95% Premium Cotton, 5% Spandex.
Care: Machine wash cold, tumble dry low.

Relaxed Fit Cotton Knit Boxer (Button Fly) - Navy Blue

$30.00

Navy Blue S

SOFTNESS Premium

BREATHABILITY Excellent

DURABILITY Long-Lasting

NATURAL FEEL Pure Cotton

MOISTURE ABSORBENCY High

EASE OF CARE Machine Wash

Reinvented Comfort: Premium Jersey Cotton

T-Shirt Softness: High-end jersey knit that is soft, breathable, and never stiff.
4-Way Stretch: Moves with you during sleep for total, zero-restriction comfort.
Heat Regulation: A high-airflow weave actively prevents overheating.
Cool Touch: Engineered to keep you refreshed during lounging or sleep.

Irritation-Free: Fabric-Encased Waistband

Designed for sensitive skin, our waistband is fully wrapped in ultra-soft self-fabric. With no exposed elastic touching your body, it provides a secure, gentle hold that leaves zero skin marks and ensures all-day (and all-night) comfort.

Total Mobility: Flexible Leg Openings

Experience true "Free Breathing" with a precision-cut loose fit through the thigh. Engineered for maximum airflow and freedom of movement, these leg openings provide an airy, unrestrictive silhouette that stays comfortable in any position.

Refined Detail: Premium Pearl-Button Fly

Finished with a lustrous pearlescent button and reinforced stitching, our functional fly combines security with sophisticated style. The reinforced closure ensures a worry-free fit that stays closed when you need it while adding a touch of artisan luxury.

🎁

Buy 3, Get 1 FREE

Add any 4 items to your cart and the your 4th item is on us.
Use code NEWCUSTOMER at checkout.

One-time use · Cannot combine with other discounts

★★★★★

I've tried every premium brand. These are genuinely the softest I've ever worn. The pouch is game-changing.

Michael T.

✓ Verified ·Zero-G Elite Boxer Brief · 2nd purchase

★★★★★

Switched from Tommy John. Quality is comparable, price is better, and the pouch design is more comfortable.

Alex C.

✓ Verified ·Classic Soft Brief · 4th purchase

★★★★★

I travel 3 weeks out of every month for work. These are the only underwear I pack now — light, quick-dry, and they don't get that stale smell even on long flights.

Chris B.

✓ Verified ·Classic Soft Trunk · 2nd purchase

★★★★★

Finally, underwear that doesn't ride up during workouts. Wore them for a half marathon — zero chafing.

David K.

✓ Verified ·Zero-G Trunk · 1st purchase

★★★★★

Used to buy the cheap 3-packs from Amazon. Took one pair of these to the gym and immediately threw the rest out. You really get what you pay for.

Mark W.

✓ Verified ·Zero-G Elite Boxer Brief · 1st purchase

★★★★★

The waistband doesn't leave a mark. I never knew how much that annoyed me until it stopped happening.

Sam L.

✓ Verified ·Zero-G Boxer Brief · 2nd purchase

STOP ADJUSTING YOUR UNDERWEAR.

STOP ADJUSTING YOUR UNDERWEAR.

74% of men adjust their underwear daily. Embarrassing at work. Uncomfortable at the gym. We mapped 500 body shapes and recut the leg band 11 times — it never rides up again.

YOUR GROIN RUNS 2°C HOTTER.

Standard cotton traps heat and moisture where you need airflow most. Lenzing MicroModal™ is derived from natural beechwood fiber — its ultra-fine structure naturally wicks moisture away from skin, keeping you dry and comfortable all day long.

YOUR UNDERWEAR SHOULDN'T SQUEEZE.

Flat front panels squeeze exactly where they shouldn't. We increased the front panel area by 25% with an anatomical 3D contour — real room, natural support, zero compression.

THAT RED MARK ISN’T NORMAL.

Most elastic waistbands dig into your skin for 8+ hours daily, leaving red marks. Ours wraps every edge in a brushed fleece lining — zero exposed elastic, zero digging.