Classic Soft Trunk + Signature Dress Socks 3-Pack Set

$70.00
Regular price $81.00 Sale price $70.00
13% off

Office-Ready Comfort Set

A refined base-layer bundle for workdays and business travel. The Classic Soft MicroModal™ trunk provides smooth close-fit comfort, while Signature dress socks complete the look with a polished crew profile.

Under trousers, everything feels considered — not just covered.

Size S
Risk-Free First Pair Guarantee
Risk-Free First Pair Guarantee
Zero-G Pod™  Friction-Free Support
Zero-G Pod™  Friction-Free Support
3x Softer Silk-Touch Lenzing MicroModal
3x Softer Silk-Touch Lenzing MicroModal
Active Cooling & Breathability
Active Cooling & Breathability

Office-Ready Comfort Set

A refined base-layer bundle for workdays and business travel. The Classic Soft MicroModal™ trunk provides smooth close-fit comfort, while Signature dress socks complete the look with a polished crew profile.

Under trousers, everything feels considered — not just covered.

Classic Soft Engineering:
• Classic Front Construction: No pouch, no gimmicks — a clean, natural front with extra room for everyday comfort.
• Horizontal Fly: Quick, natural access with a smooth front profile.
• Contour-Cut Leg Openings: Clean lines sit flat against the thigh and stay discreet under fitted clothing.
• Low-Profile Fit: Briefs offer minimal coverage; trunks use a 3.5-inch inseam for a smooth fit under slim trousers.

Zero-G™ Engineering:
• Zero-G Pod™ Pouch: Breathable 3D contour pouch separates, supports, and reduces skin-on-skin friction.
• Side Fly Access: Right-hand side opening for quick, natural access without disrupting support.
• No-Ride-Up Hem: Legs stay in place and avoid bunching under trousers or activewear.
• Ergonomic Rear Fit: Extended back rise helps prevent wedgies and crotch tightness.

Shared Underwear Engineering:
• Cloud-Touch™ Waistband: Jacquard-woven logo waistband with velvet-soft brushed liner; resists rolling and deformation.
• Flatlock Stitching: Friction-free seams glide smoothly against skin.
• Tagless Label: Heat-transferred care information means zero scratching.
• 4-Way Micro-Stretch: Moves freely with your body without losing supportive tension.
• True-Color Retention: Deep-anchored pigments help resist fading wash after wash.

Signature Dress Sock Engineering:
• Refined Crew Profile: Clean dress-sock silhouette for office trousers and leather shoes.
• Stay-Up Cuff: Secure hold resists slipping during long business days.
• Smooth Toe Construction: Comfortable toe feel with reduced friction.
• Reinforced Heel & Toe: High-wear zones are built for repeated wear and washing.
• Polished Styling: Easy to rotate through formal, office, travel, and smart-casual outfits.

Fabric: Lenzing MicroModal™ (93% Lenzing MicroModal™, 7% Spandex)

• Austrian Origin: Sourced from sustainable beechwood trees.

• 3x Softer: Lab-tested to be 3x softer than traditional cotton.

• Climate Control: 50% more moisture-absorbent than cotton to keep you dry.

• Hygiene: Naturally unfavorable for bacterial growth.

• Active Cooling: While cotton traps heat and moisture, Lenzing MicroModal™ pulls it away instantly — no clamminess, no discomfort.

• 4-Way Stretch: 7% spandex adds flexible recovery for movement and shape retention.

Fabric: Mercerized Cotton Blend

• Mercerized Finish: Smoother hand feel with a subtle refined sheen.

• Breathable Comfort: Fine cotton yarns support long office-day wear.

• Dress-Sock Polish: Fine-gauge knit creates a cleaner look under trousers.

• Stay-Up Stretch: Balanced elasticity holds without harsh pressure.

• Shape Retention: Durable blend helps maintain form after regular washing.

Includes (3 items total):

1x Classic Soft MicroModal Trunk (Horizontal Fly)

1x Zero-G™ MicroModal Trunk (Side Fly)

1x Signature Mercerized Cotton Crew Socks

Underwear Fit:

Zero-G™ Trunk: Form-fitting with Zero-G Pod™ pouch; 3.5" inseam.

Classic Soft Trunk: Form-fitting classic construction, no pouch; 3.5" inseam.

Sock Fit:

Crew height.

Care:

Machine wash cold, tumble dry low

Zero-G™ Pod Technology

Engineered for gravity-defying support and men's health.

  • Tight underwear traps heat → our pouch keeps things cool for your health.
  • Sweat breeds bacteria → our airflow channels keep you dry and odor-free.
  • No support or too tight → ergonomic 3D pouch cradles without squeezing.
  • Constant adjusting all day → U-shaped seams lock everything in place.
FABRIC PERFORMANCE

Crafted in
Lenzing MicroModal™

  • Lenzing MicroModal™ — 3× softer than cotton
  • Naturally anti-odor & moisture-wicking
  • 4-way micro-stretch — moves with every stride
SOFTNESS 3x Cotton
STRETCH 4-Way
ODOR RESISTANCE Natural
BREATHABILITY High
SKIN COOLING Rapid Cooling
MOISTURE WICKING All-Day Fresh

Built Different. Because Men Deserve Better.

We studied real problems. We obsessed over real solutions.

STOP ADJUSTING YOUR UNDERWEAR.STOP ADJUSTING YOUR UNDERWEAR.
YOUR GROIN RUNS 4°F HOTTER.YOUR GROIN RUNS 4°F HOTTER.
YOUR UNDERWEAR SHOULDN'T SQUEEZE.YOUR UNDERWEAR SHOULDN'T SQUEEZE.
THAT RED MARK ISN’T NORMAL.THAT RED MARK ISN’T NORMAL.
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 4°F HOTTER.

YOUR GROIN RUNS 4°F 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.

YOUR UNDERWEAR SHOULDN'T SQUEEZE.

Chronic compression is linked to elevated temperature and long-term health issues. Our Zero-G Pod™ pouch is nearly an inch deeper with zero lateral pressure.

THAT RED MARK ISN’T NORMAL.

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.

Why Choose A Pouch?

Both Feel Like Nothing. One Supports Like Something.

Same Lenzing MicroModal™ softness. The Zero-G Pod™ adds structured support that keeps everything in place — no friction, no shifting, no adjusting. Ever.

Classic Soft Collection
Classic Soft
$30 / pair
  • Brushed interior lining — zero friction against skin
  • Extended back rise (+30% fabric) — no wedgies, no riding up
  • Reinforced leg openings — built to last wash after wash
  • Buttery-soft fabric — feels like nothing’s there
Best Seller
Zero-G Elite Collection
Zero-G™ Elite
$35 / pair
  • Brushed interior lining — zero friction against skin
  • Extended back rise (+30% fabric) — no wedgies, no riding up
  • Reinforced leg openings — built to last wash after wash
  • +Zero-G Pod™ 3D ergonomic pouch — more space, stays locked in place all day
Choose Classic if You want premium softness with a clean, classic look. No pouch, no fuss — just comfort.
Choose Zero-G™ if You’re tired of adjusting yourself. The Zero-G Pod™ keeps everything supported and in place — all day, every wear.
🎁

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

Real Stories. From Real Men.

See what Kingbriefs customers are saying.

Michael T.Michael T.
★★★★★

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

MI

Michael T.

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

Alex C.Alex C.
★★★★★

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

AL

Alex C.

✓ Verified ·Classic Soft Brief · 4th purchase

Chris B.Chris B.
★★★★★

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.

CH

Chris B.

✓ Verified ·Classic Soft Trunk · 2nd purchase

David K.David K.
★★★★★

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

DA

David K.

✓ Verified ·Zero-G Trunk · 1st purchase

Mark W.Mark W.
★★★★★

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.

MA

Mark W.

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

Sam L.Sam L.
★★★★★

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

SA

Sam L.

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

Add limited prints or solid essentials to complete the rotation.

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