Dr. Scholl's Men's Microfiber Firm Support Socks 93% Nylon, 7% Spandex Made in US Pull On closure Machine Wash Dr. Scholl's Medical Compression Socks energize, renew, and restore leg comfort Medical grade closed toe design Premium microfiber construction for the ultimate comfort Graduated compression range of 20-30 mmHg for firm support Accepted by the American Podiatric Medical Association