Seamfree Support stockings: Y-shaped heels & reinforced toes & heels: 78% polyamide, 22% elastane. These stockings offer excellent support to soothe your legs. These anti-fatigue stockings exert graduated compression to stimulate blood flow & relax your legs. These stockings are reinforced at the toe & come in 140 denier for firm compression which is recommended if you suffer from circulatory problems.