I now have two Turms t-shirts worth equivalent of 10 USD with both hydrophobic and antibacterial properties. They don't feel dirty even after sweating in them a

I now have two Turms t-shirts worth equivalent of 10 USD with both hydrophobic and antibacterial properties. They don't feel dirty even after sweating in them a few days. I'm determined to test them for 20 or more wears. But I wonder if they are counterproductive for the environment with the coatings.