🏷️ Buy 3, Get 1 Free —One time use
Code:NEWCUSTOMER
Your 4th item is on us
Briefs
Zero-G™ MicroModal Brief · Side FlyWhite
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft MicroModal BriefLight Gray
🌍 Biodegradable Fiber · Earth Day 2026
Zero-G™ 【Pre-Order】 MicroModal Eagle Banner Brief · Side FlyLiberty Lineup
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal Eagle Banner Brief · Horizontal FlyLiberty Lineup
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal Brazil Samba Stripes Brief · Horizontal FlyWear Your Color
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal France Tricolor Pitch Brief · Horizontal FlyWear Your Color
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal England Red Line Brief · Horizontal FlyWear Your Color
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal Spain Golden Roar Brief · Horizontal FlyWear Your Color
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal Navy Star Field Brief · Horizontal FlyLiberty Lineup
🌍 Biodegradable Fiber · Earth Day 2026
[Pre-Order] Classic Soft MicroModal Prairie Star Brief (Horizontal Fly)Prairie Star
🌍 Biodegradable Fiber · Earth Day 2026
[Pre-Order] Classic Soft MicroModal Ranch Toile Brief (Horizontal Fly)Ranch Toile
🌍 Biodegradable Fiber · Earth Day 2026
[Pre-Order] Classic Soft MicroModal Bluebonnet Rodeo Brief (Horizontal Fly)Bluebonnet Rodeo
🌍 Biodegradable Fiber · Earth Day 2026
Zero-G™ 【Pre-Order】 MicroModal Navy Star Field Brief · Side FlyLiberty Lineup
🌍 Biodegradable Fiber · Earth Day 2026
[Pre-Order] Classic Soft MicroModal Midnight Stakes Brief (Horizontal Fly)Midnight Stakes
🌍 Biodegradable Fiber · Earth Day 2026
[Pre-Order] Classic Soft MicroModal Night Watch Brief (Horizontal Fly)Night Watch
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal Red, White & Weekend Brief · Horizontal FlyLiberty Lineup
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal Parade Day Red Brief · Horizontal FlyLiberty Lineup
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal Tiny Stars Brief · Horizontal FlyLiberty Lineup
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal Rally Stripe Brief · Horizontal FlyLiberty Lineup
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal Liberty Stripe Brief · Horizontal FlyLiberty Lineup
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal Eagle Camo Brief · Horizontal FlyLiberty Lineup
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal Night Mode Chat Brief · Horizontal FlyPixel Pulse
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal 8-Bit Night Sky Brief · Horizontal FlyPixel Pulse
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal Arcade Mirage Brief · Horizontal FlyPixel Pulse
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal Neon Plus Grid Brief · Horizontal FlyPixel Pulse
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft 【Pre-Order】 MicroModal Glitch Blocks Brief · Horizontal FlyPixel Pulse
🌍 Biodegradable Fiber · Earth Day 2026
Trunks
Zero-G™ MicroModal Trunk · Side FlyNavy Blue
🌍 Biodegradable Fiber · Earth Day 2026
Zero-G™ MicroModal Trunk · No FlyHeather Grey
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft MicroModal Trunk · Horizontal FlyLight Gray
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft MicroModal Trunk · No FlyDeep Blue
🌍 Biodegradable Fiber · Earth Day 2026
Boxer Briefs
Zero-G™ MicroModal Boxer Brief · No FlyWhite
🌍 Biodegradable Fiber · Earth Day 2026
Zero-G™ MicroModal Boxer Brief · Side FlyNavy Blue
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft MicroModal Boxer Brief · Horizontal FlyBlack
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft MicroModal Boxer Brief · No FlyLight Gray
🌍 Biodegradable Fiber · Earth Day 2026
Boxers
Relaxed Fit Cotton Knit Boxer · Button FlyHeather Grey
🌍 Biodegradable Fiber · Earth Day 2026
Relaxed Fit Cotton Knit Boxer · Button FlyNavy Blue
🌍 Biodegradable Fiber · Earth Day 2026
Relaxed Fit Cotton Knit Boxer · Button FlyBlack
🌍 Biodegradable Fiber · Earth Day 2026
Bundle
Brief Mix 3-Pack 13% off
🌍 Biodegradable Fiber · Earth Day 2026
Zero-G™ Brief 3-Pack · Side Fly 13% off
🌍 Biodegradable Fiber · Earth Day 2026
Zero-G™ Classic Soft + Briefs & Vintage Crew Socks 3-Pack Set 13% off
Classic Soft Brief + Trunk 3-Pack(Grey/Black) 12% off
🌍 Biodegradable Fiber · Earth Day 2026
Zero-G™ Brief 3-Pack · Side Fly 13% off
🌍 Biodegradable Fiber · Earth Day 2026
Zero-G™ Boxer Brief 3-Pack · Side Fly 13% off
🌍 Biodegradable Fiber · Earth Day 2026
Zero-G™ Boxer Brief + Trunk + Performance Socks 5-Pack Set 13% off
Zero-G™ Boxer Brief + Trunk + Performance Socks 5-Pack Set 13% off
Classic Soft Trunk + Signature Dress Socks 3-Pack Set 13% off
Classic Soft Trunk + Signature Dress Socks 3-Pack Set 13% off
Classic Soft Brief + Vintage Crew Socks 3-Pack Set 13% off
Kinetic™ Performance Crew & Mid Crew Socks 3-Pack 14% off
Kinetic™ Tech-Grip Mid Crew Socks 5-Pack 20% off
Kinetic™ Performance Crew Socks 5-Pack 20% off
Signature Mercerized Cotton Dress Socks 3-Pack 12% off
Vintage-Tone Business Crew Socks 3-Pack 14% off
Classic Business Crew Socks 5-Pack 20% off
Classic Business Crew Socks 3-Pack 14% off
Vintage-Tone Crew Socks 5-Pack 20% off
Zero-G™ Elite Brief + Classic Soft Trunk 3-Pack(Grey/Black 13% off
🌍 Biodegradable Fiber · Earth Day 2026
Zero-G™ Elite Brief + Classic Soft Trunk 3-Pack(White/Blue 13% off
🌍 Biodegradable Fiber · Earth Day 2026
Classic Soft Brief + Trunk 3-Pack(White/Blue) 12% off
🌍 Biodegradable Fiber · Earth Day 2026
Zero-G™ Brief 3-Pack · Side Fly 13% off
🌍 Biodegradable Fiber · Earth Day 2026
Lounge Set 2 Knit Boxer + 1 Low-Cut SocksGray 5% off
🌍 Biodegradable Fiber · Earth Day 2026
Lounge Set 2 Knit Boxer + 1 Low-Cut SocksBlue 5% off
🌍 Biodegradable Fiber · Earth Day 2026
Lounge Set 2 Knit Boxer + 1 Low-Cut SocksBlack 5% off
🌍 Biodegradable Fiber · Earth Day 2026
Lounge Set 2 Knit Boxer + 1 Mid Crew SocksGray 5% off
🌍 Biodegradable Fiber · Earth Day 2026
Lounge Set 2 Knit Boxer + 1 Mid Crew SocksBlue 5% off
🌍 Biodegradable Fiber · Earth Day 2026
Lounge Set 2 Knit Boxer + 1 Mid Crew SocksBlack 5% off
🌍 Biodegradable Fiber · Earth Day 2026
Active Set 1 Boxer Brief + 1 Trunk + 1 Crew SocksBlack 13% off
🌍 Biodegradable Fiber · Earth Day 2026
Active Set 1 Boxer Brief + 1 Trunk + 1 Crew SocksWhite 13% off
🌍 Biodegradable Fiber · Earth Day 2026
Zero-G™ Boxer Brief 3-Pack · No Fly 13% off
🌍 Biodegradable Fiber · Earth Day 2026
Zero-G™ Boxer Brief 3-Pack · No Fly 13% off
🌍 Biodegradable Fiber · Earth Day 2026
Built Different. Worn Better.
Be honest — when did you last actually think about your underwear? Probably the last time it let you down. The mid-day adjustment. The waistband that left a mark. The fabric that just... stopped feeling good. That's exactly why we built KingBriefs. Lenzing MicroModal™ that feels like nothing's there. A Cloud-Touch™ waistband that stays put all day. And if you want zero friction, zero sticking, zero adjusting — the Zero-G Pod™ has entered the chat.
Frequently Asked Questions
What is the Zero-G Pod™ and do I need it?
The Zero-G Pod™ is a built-in 3D pouch that separates and supports everything independently. It prevents skin-to-skin sticking, improves airflow, and eliminates the need to readjust throughout the day. If chafing, sticking, or overheating has ever been an issue, it's worth trying. If you prefer a traditional flat-front feel, our Classic Soft line has the same fabric without the pouch.
What is Lenzing MicroModal™ and why is it better than cotton?
Lenzing MicroModal™ is a plant-based fiber made from sustainably harvested Austrian beechwood trees. It's 3x softer than cotton, absorbs 50% more moisture, and has natural thermal conductivity that helps keep skin cooler. It also resists pilling and fading better than traditional cotton.
What's the difference between Boxer Briefs, Trunks, and Briefs?
It comes down to leg length. Boxer Briefs have a 6" inseam — full coverage that stays put under trousers or during workouts. Trunks have a 3.5" inseam — a shorter, modern cut that works great under slim-fit pants. Briefs have no legs at all — minimal coverage for a barely-there feel. All three share the same MicroModal™ fabric and construction.
How should I wash my KingBriefs underwear?
Machine wash cold, tumble dry low. Lenzing MicroModal™ is naturally resistant to shrinking and fading, so they'll hold up well over time. Avoid bleach and fabric softeners — the fiber is already softer than anything a softener can do.
How often should I replace my underwear?
Most experts recommend replacing everyday underwear every 6 to 12 months, depending on how often you wear and wash them. Signs it's time: stretched-out waistbands, faded fabric, thinning material, or elastic that no longer holds. KingBriefs are built to last longer than average — Lenzing MicroModal™ resists pilling and fading, and our Cloud-Touch™ waistband is engineered to keep its stretch. But even the best pair has a shelf life. Your comfort is worth the refresh.
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