Nylon car covers are inherently water-resistant and offer good protection against rain and moisture. They provide good UV resistance, helping to preserve the car's paint and interior from sun damage. Nylon is a durable material that can withstand wear and tear, making it ideal for long-term use. However, nylon may lack sufficient breathability, causing condensation and potential moisture issues. It can also trap heat, potentially causing temperature fluctuations inside the car cover. Nylon car covers may be more expensive compared to other materials, affecting affordability for some consumers.