Sockwell Micro Grade Knee High Socks 15-20 mmHg Women's Compression Socks NaturalSockwell Micro Grade Socks combine moderate compression with fun colors and patterns. Grab attention and look stylish while you speed recovery, maximize circulation and reduce fatigue. These Sockwell Micro Grade Natural Women's Socks have the following features: Spandex throughout the sock Graduated Compression Leg Turn Welt Top Arch support Seamless toe closure COMPRESSION: MODERATE 15 20mmHg Non Cushion 32% Merino Wool 31% Rayon from Bamboo 31%