Preggers Opaque Maternity Tights - Black-Small 77% Nylon / 23% Lycra REFER TO SIZE CHART - Made in the USA; Multiple sizes available, size depends on a combination of height and weight. Runs small, sizing up is recommended. PERFECT FOR LONG DAYS ON YOUR FEET - Being fashionable doesn't have to mean being uncomfortable. These Maternity Support Hose by Preggers provide a stylish option for pregnancy compression tights. The Material is supportive, but not so thick that it appears as an obvious compression tight. GRADUATED COMPRESSION - Preggers maternity tights feature 10-15mmhg of light gradient compression, providing support similar to a maternity compression stocking, promoting improved circulation and reduction of swelling in the legs, ankles, and feet. BUILT-IN BELLY SUPPORT PANEL - These maternity tights have a stretchy support band expands with your growing belly, and can be folded under or pulled over for pregnancy support. When worn above your belly the compression band stays up and snug against your tummy. COMFORT - The breathable nylon/spandex blend keeps you cool all day, and the moisture wicking properties ensure you stay comfortable. The smooth seams won't dig into your tummy or show under clothes.