Research for this chair. Solar Lounge Chair?  

Since I could add only 1 image to the post, here are some more.

Thanks a lot.

from underneath

@michael_berlin. Welcome to the Forum.

I think your chair is designed by Ahti Kotikoski ( Finnish designer) and is called the "Anatomia " chair.

It has been relaunched by his daughter.

Link to the new company website, which gives a short history/bio of the designer and this chair.

http://www.profeeldesign.fi

Hello Lexi
Great, thanks a lot. Yes, that's the right one.
But beside this, there is not much to find about it. Seems to be quite rare.

@michael_berlin. The original pieces seem to be.