Description High Performance & Luxurious Cashmerino / Rayon From Bamboo provides natural odor control, thermoregulation, and moisture management. There are Four Zones Of Graduated Compression that promote circulation, minimize swelling, and reduce fatigue. Benefits Prevents Swelling Increases Circulation Support and revitalize Reduce fatigue Recommended for: Prolonged sitting and standing Flying and travel Exercise and recovery Minor to moderate swelling in the feet and ankles Minor to moderate varicose veins Relief from plantar fasciitis discomfort Features Spandex throughout sock Turn Welt Top Arch Support Seamless Toe Closure Specifications Sock Height: Knee High Weight: Ultra Light Compression: Moderate 15-20 mmgh 32% Merino Wool, 32% Stretch Nylon, 31% Bamboo Rayon, 5% Spandex Find your shoe size in the chart below. If you're in between sizes, we recommend sizing up. SIZE WOMEN'S MEN'S EU small / medium 4 - 7.5 35 - 38 medium / large 8 - 11 7 - 10 39 - 43 large / extra large 10.5 - 13 44 - 47 Care Easy Wash Turn Inside Out Machine Wash Warm Tumble Dry Low Heat Do Not Bleach. Caring Wash Machine wash cold Air dry Better for the planet, good for your socks.