Classic Soft Trunk + Signature Dress Socks 3-Pack Set

$66.00
Regular price $76.00 Sale price $66.00
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.

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):

2x Classic Soft MicroModal Trunk (Horizontal Fly)

1x Signature Mercerized Cotton Crew Socks

Underwear Fit:

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

Sock Fit:

Crew height.

Care:

Machine wash cold, tumble dry low

FABRIC PERFORMANCE

Crafted in
Lenzing MicroModal™

  • Lenzing MicroModal™ — sustainably sourced from Austrian beechwood
  • 3x softer than cotton — second-skin feel all day
  • 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. Every detail exists for a reason.

THE RIDE-UP PROBLEM. SOLVED.THE RIDE-UP PROBLEM. SOLVED.
YOUR GROIN RUNS 4°F HOTTER.YOUR GROIN RUNS 4°F HOTTER.
COMPRESSION IS A HEALTH RISK.COMPRESSION IS A HEALTH RISK.
NO MORE WAISTBAND MARKS.NO MORE WAISTBAND MARKS.
THE RIDE-UP PROBLEM. SOLVED.

THE RIDE-UP PROBLEM. SOLVED.

74% of men adjust their underwear daily. We mapped 500 body measurements and recut the leg band 11 times until it stays put — through every move.

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.

COMPRESSION IS A HEALTH RISK.

COMPRESSION IS A HEALTH RISK.

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.

NO MORE WAISTBAND MARKS.

NO MORE WAISTBAND MARKS.

That red line at the end of the day isn't normal. Our fabric-encased waistband has zero exposed elastic, rated for 5,000+ stretch cycles.

🎁

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.

Complete Your Sock Rotation

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