Non run pantyhose
When it comes to women's hosiery, we believe comfort, style and durability belong together. Our Run-Resistant Sheer Pantyhose provide all that and more. With test-proven, run-resistant lock stitch nylon/spandex construction and a soft, reinforced cotton crotch, they'll make you.
US5115650A - Non-run pantyhose - Google Patents
Description:The knit pattern provides non-run pantyhose when use to knit pantyhose for women. The knit pattern consists of four repeating courses. The first course alternates a face loop stitch with a tuck stitch.