Amazon Essentials Men's Slim-Fit Chino Jogger Pant

I’m a size 34 what size would be good for me?

Are these comfortable in hot humid weather?

I live in hot hot desert. Fleese would be to hot. Are these pants light weight?

I'm 5'10 and 150lbs. i usual get a small for any pair of pants i wear, also i like slim fit. what size should i purchase?