These Perfect New Nylonica Linea Lusso  Mircofibre 55 Hold-Ups in Air Force Blue Size 5-XX Large are classically elegant.This is a soft & silky opaque 55 denier Hold ups made of a yarn that consists of  75% nylon, 25% Lycra. Designed for women who want to add a touch of glamour to their outfits. Made in Italy, these stockings are hand wash only and perfect for all seasons. Unfortunately NYLONICA went out of business in 2022 losing another great hosiery manufacturer.  You will not be disappointed with these especially this quality for the price. See photos for size chart