From your original post, you seemed to be confusing descriptive text (the feature acts like cold weather gear) with actual mechanical effect (the character gets advantage on saving throws vs cold weather).
I’ve noticed that sometimes you need to decipher what is descriptive text and what are actual game rules.
Kindred Spirit (Ranger)
You intuitively sense when another wilderness
expert is nearby. (That’s just descriptive text) Your passive Perception increases by 5 to detect hidden or invisible...
It’s been a while since I read the book, but I don’t remember Kvothe doing anything monk-like. Maybe the player needs to elaborate on the character’s qualities he wants to emulate.
Now, off to play my gnome warlock that I patterned off of Conan.