Sockwell Women's Circulator Compression Sock Moderate 15-20 mmHg FEATURES Spandex throughout sock Graduated Compression Leg Turn Welt Top Arch Support Seamless Toe Closure COMPRESSION 15-20mmHG Moderate Compression CUSHIONING Ultra Light Cushion Sole CONTENT 32% Merino Wool 31% Bamboo Rayon 32% Stretch Nylon 5% Spandex