59% mulesing free merino wool
38 % Cordura® nylon
3% spandex
Built for people who expect more from a shirt.
The last merino shirt you'll buy
Most merino is made for the outdoors — comfortable, but fragile and inconsistent in everyday use.
GhostFiberâ„¢ is engineered differently. It keeps the natural advantages of merino, while adding the structure needed to handle repeated wear. Less odor, better temperature control, and a fabric that doesn't break down after a few washes.
Tested for daily wear, not occasional use.
Top Merino tees often cost much more. We kept our price lower to help more people try this tech, even though our blend is tougher and lasts longer than the "big brands."
We chose our manufacturer for one reason: they're specialists in high-tech merino knitting. They pay 20% above average wages and pass a strict SMETA audit every year. They are based in Shanghai, China.
No. GhostFiber is preshrunk and reinforced. It holds its exact size and fit, wash after wash.
Keep it simple. Machine wash cold, lay flat to dry. It dries very fast and stays sharp without the "special care" usual wool needs.
I moved from Belgium to Poland years ago and fell in love with the grit and potential. After launching two brands in the US, I noticed something: outside the outdoor niche, almost no one knew merino — or what it’s actually capable of.
Not because it doesn’t work. Because it was never adapted for everyday life.
RYSY was built here to change that.
We take proven performance materials and redesign them for daily wear — simple, functional, and built to last.
Picture this: You come home from a normal day at the office, an evening walk, or a light day of travel. You pull off your shirt. It’s not stained. It doesn’t smell. But out of sheer habit, you toss it straight into the laundry hamper.
Why? Because "that’s just what you do after wearing something."
When people think of Merino wool, their minds immediately drift to the vast, sun-drenched plains of Australia or New Zealand. But for centuries, some of the most fascinating chapters of the Merino story were written much closer to home—right here in the fields of Poland.
When building a high-utility, trans-season wardrobe, the choice of next-to-skin material dictates your daily baseline comfort. In the modern apparel market, two premium natural-origin fibers constantly get pitted against each other: Merino wool and bamboo.
