Graduated Athletic Fit 20-30 mmHG for Running, Nurses, Flight Travel, Skiing & Maternity Pregnancy, etc. NWOT never worn. Boost stamina & recovery, stimulates blood flow and improves oxygen delivery to your muscles. These socks help prevent cramping, fatigue, swelling, muscle recovery, spider veins, varicose veins and injury prevention. Suitable for diabetics and dvt patients. Unique fun colorful pattern (Ziggy).Soft breathable wicking anti-odor material. (nylon)