Any paint you apply to the fabric is going to plug up the breathability. If it's a small area that won't be much of a problem, if it's i large area it might be. The coating on the fabric may keep most paints, or anything else for that matter, from sticking. Also since it's a stretchy fabric paint will crack. A dye might be a better choice. <a href="www.dharmatrading.com" target="_blank">Ddharma Trading Company</a> is a place to look. If you call the manufacturer you may be able to get some advice or at least a swatch of goods to run some tests on