For a more traditional "daybed" look and feel, many companies offer custom high-density foam cushions in weather-resistant fabrics. Foam Type: Opt for Dry Fast foam (also known as reticulated foam) which has an open-cell structure allowing water to drain quickly and air to flow freely, preventing mold and mildew buildup. Standard polyurethane foam acts like a sponge and is not recommended for full outdoor exposure. Fabric Type: The best fabrics are solution-dyed acrylics lik