Cropped Trench Shirt Jacket

I wanted a tan barn coat but also a shorter tan trench—I have khaki and red in my mind for Autumn—and I just happened upon this short khaki trench in my way to the checkout. Always keep your eyes open at The Rack! I sized down so the jacket isn’t too tent-like and the large fits great with slight stretch so it’s comfortable and not tight. I live in Southern California so probably won’t be wearing this with a bulky sweater. My only concern is if the nylon is breathable if it gets humid