Summer is synonymous with outdoor living, which can’t be fully enjoyed without one of the best modular outdoor sofas in your possession. The beauty of really well done outdoor couches is that they look like a regular furniture piece, but you can always adjust the configuration or add more pieces—something that is especially helpful if you’re swapping a city patio for a suburban backyard. The styles below have a snap-in mechanism that creates a seamless look and won’t wobble around or make you slip between the cushions. When choosing the right design, look for a weather-resistant frame. Powder-coated aluminum, steel, and teakwood are especially popular for standing up to the elements. In terms of upholstery, look for quick-drying materials but also those that have a coating to withstand mildew growth and deal with harsh UV rays without fading. Sunbrella is a trusted upholstery brand that collaborates with many top retail brands on this list.…