- Shade sails are designed to cover outdoor areas and to provide protection from the harmful effects of the UV rays of the sun. - Knitted fabrics contain millions of specially designed air holes that allow air to flow freely through to create a significant cooling effect beneath. - Superior fade resistance. - Theyâ??re ideal for use in public outdoor areas - at shopping centers, car yards, mine sites, community centers, child care centers, construction sites, schools, outdoor playgrounds and sporting venues. - Shade Sails can be easily removed if necessary.