This Tri-Sox is a superior product at a reasonable price. Unlike old-fashion baggy disposables , this Tri-Sox are made of sheer hosiery material and stretch to fit the foot - making shoes look and feel better to customers. Disposable Tri-Sox are the most sanitary way of fitting shoes. In the most states the Department of Health specifies that customers must wear suitable hose when trying on shoes. With this Tri-Sox your shoes stay fresh.