shade cloth is the perfect outdoor fabric. Designed to breathe it allows cooling breezes to flow through significantly reducing temperatures beneath. s knitted construction prevents tearing and fraying and the special process ensures colors remain vivid for years. Medium [64-70 percent] UV Block - Ideal for areas shared by plants and people The world s most popular choice in outdoor fabrics Domestic Medium knitted fabric is manufactured from a high tech fiber which is UV stabilized to maintain flexibility and strength while exposed to long periods in the sun Unique lock stitch construction combines Monofilament and tape to produce a dimensionally stable fabric that will not tear or fray if cut fabric has the ability to breathe to allow air to pass through the fabric. This effect combined with shading creates a much cooler environment underneath the fabric Cheaper than solid sheet roofing and also cooler because the air can pass through Medium fabric is put through a unique heat set process known as stentering which heat sets the fabric to produce a stable and consistent fabric that has minimal shrinkage.