Break Down the Differences Between our 3 Core Styles

Not all underwear is created equal — and thankfully, neither are ours. Whether you’re chasing comfort, performance, or discreet protection, Knix boxers are designed to move with you, support you, and keep you feeling your freshest from the first layer out.

Let’s break down the differences between our three core underwear styles — so you can find the one that fits your day (and your vibe).

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1. Cotton Modal Boxer Brief & Trunk

Everyday softness meets smart performance.

If you’re after the perfect daily go-to, this one’s for you. Made with a soft, breathable cotton-modal blend, it’s built for everyday comfort that never feels basic.

The Pristine Pouch™ keeps moisture where it belongs (away from your pants), while Mint Condition Technology™ delivers powerful, non-metal, non-biocidal anti-odor protection — proven effective against common odor compounds like AECTIC and Ammonia.

Why you’ll love it:

1. Soft and breathable for all-day wear
2. Moisture-wicking and quick-dry
3. Feels like your favorite tee, but smarter
4. Ideal for: Everyday comfort, office days, travel, downtime

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2. Active Boxer Brief & Trunk

Performance-engineered for motion and momentum.

When you’re always on the move, you need gear that keeps up. Made from lightweight recycled polyester, the Active Boxer Brief & Trunk are built for performance — with temperature regulating technology that adapts to your body temperature.

The Pristine Pouch™ ensures invisible moisture control, while Mint Condition Technology™ keeps you feeling (and smelling) fresh through every rep, ride, and run.

Why you’ll love it:

1. Adaptive temperature regulation
2. Lightweight and quick-dry
3. Anti-odor tech that actually works
4. Ideal for: Workouts, active commutes, or high-intensity days

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3. Buffer Boxer Brief & Trunk

Discreet absorbent protection meets organic cotton comfort.

For days when you need a little extra confidence, the Buffer Boxer Brief & Trunk have your back — and front. Crafted from organic cotton, they’re soft, breathable, and engineered with the Pristine Pouch Plus™, which discreetly absorbs up to 17 mL of unwanted moisture.

No bulk, no worry, just lasting dryness — supported by Mint Condition Technology™ for next-level odor control.

Why you’ll love it:

1. Subtle absorbent protection for leaks, drips, or sweat
2. Organic cotton softness with a premium finish
3. Anti-odor and quick-dry performance
4. Ideal for: Light leaks, long travel days, or peace-of-mind protection

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The Bottom Line

Each pair has the same MNTD DNA — modern masculinity, technical innovation, and all-day comfort — but their superpowers differ.

Cotton Modal: Your everyday essential.

Active: Your performance powerhouse.

Buffer: Your discreet protection hero.

Whichever you choose, you’re stepping into confidence, comfort, and freshness — engineered from the inside out.