CK Underwear

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TheUnderTrea...

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Used M Calvin Klein Underwear – 36–48 Hour Wear

These aren’t fresh-from-the-drawer.
They’ve been worn, lived in, and broken in the right way.

Each pair of Calvin Kleins is worn for 36–48 hours, including:
• Two full workdays
• At least one gym session

That means real movement, real heat, and real energy in every thread. Nothing staged. Nothing rushed. Just a pair that’s been part of my routine before it becomes yours.

I treat every order as a custom experience. If you’re looking for something specific, I’m happy to tailor the wear time, activities, or vibe to match what you’re into.

There are optional add-ons available, and I also take special requests via message.

Tell me what you’re craving, and I’ll make it happen.

30.00 USD 300

Available Add-ons

Extra 24hr Wear
Price per 24hr

+7.00 USD

Cum
Price per load

+10.00 USD

Custom Video
Watch me add the loads

+10.00 USD

Skids
Price for Skid Marks

+7.00 USD

Add-ons are only available with "Buy It Now" purchases. Contact the seller to discuss add-ons for custom orders.

Payment Methods

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Buy It Now

Message Seller

Used Usedunderwear Wornunderwear Gymvibe Sweat Musky Masculine Healtcare Construction Customorder Forhim

About TheUnderTreasures

By day, I’m a construction worker. Long hours. Heavy lifting. Sun on my back. Sweat in every seam.
By night, I’m a paramedic — calm under pressure, hands steady, heart racing when the call comes in.

I live in steel-toe boots and work gloves, climbing ladders, hauling gear, and moving fast when it matters most. My days are dirty, demanding, and very physical. I don’t clock out clean — I clock out warm, worn in, and real.

What I offer isn’t ma**-produced or fake.
It’s the raw aftermath of a hard day’s work.

If you’re into the scent of effort, the heat of a long shift, and the idea of a man who earns every drop of sweat — you’re in the right place.

No filters.
No fantasy.
Just the real thing, straight off the grind.