what yarn to choose

Hello, everyone! I've started my crochet experience not so long ago, as I previously only knit. I want to make a simple cardigan for summer, but don't know what type of yarn to choose. What materials will be most suitable for this? Susan, if you have a simple pattern of crochet summer cardigan, I'll be very thankful, if you share it with me.

This cardigan is made quite easily: https://www.craftorator.com/4672-light-green-croch... (https://www.craftorator.com/4672-light-green-crochet-cardigan.html) You can take cotton yarn instead of woolen