Durable and versatile, these opaque Compression Stockings feature a seamless knit. Durable and versatile, these opaque compression stockings feature 2-way stretch knit for a contoured yet comfortable fit. Varin offers the highest containment of any circular knit fabric. If you suffer from moderate to severe edema, lighter weight fabrics can cut into the flesh, causing rings and folds. This is much less likely to happen with varin.