Comfort is paramount; look for mattresses with good support, cushioning, and breathability. Weight and size are also important considerations; you want something lightweight enough to carry easily but large enough to provide adequate sleeping space. Durability is another factor; choose a mattress made from high-quality materials designed to withstand outdoor conditions. Finally, consider cost – some higher-end models may be more expensive but can last longer and provide greater comfort in the long run. Finding the right mattress for your needs will ensure an enjoyable camping experience.