I also found the Labonville chaps a bit stiff. I find the STIHL chaps to be pretty comfortable, although, there is always a personal fit issue.
If you are willing to spend a bit more, the Clogger pants and chaps are surprisingly comfortable to wear. Like: '
Are these really going to protect me?' comfortable. They went out of their way to design thin, light protective fabrics, instead of using less expensive, bulkier materials. They carry US and EU certifications:
https://opeforum.com/threads/clogger-chainsaw-chaps-evaluation.20077/
https://opeforum.com/threads/clogger-zero-pants.21442/
Philbert