Energize your step and recover quickly in the sock that started it all! The Circulator is our most beloved moderate (15-20 mmHg) graduated compression sock, with a timeless yet modern stripe design—a nod to the style’s four zones of compression. Featuring an ultra-light cushion sole, arch support, and seamless toe closure. Always made in the USA from American grown wool and rayon from bamboo. Recommended for: Prolonged sitting and standing Flying and travel Exercise and recovery Did you know our custom merino wool yarn blend helps: Regulate temperature Control odor Keep feet dry Prevent blisters COMPRESSIONModerate (15-20mmHg) Graduated Compression CUSHIONINGUltra Light Cushion Sole FEATURESSpandex throughout the SockGraduated Compression LegArch SupportSeamless Toe ClosureTurn Welt Top CONTENT32% Merino Wool31% Bamboo Rayon32% Stretch Nylon5% Spandex SIZE GUIDE At Sockwell, we've simplified sock sizing without making any sacrifices to the way your sock or its compression level fits. So you can put the tape measure away. At Sockwell, all you need is your shoe size! 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 extra extra large 13.5 - 16 48 - 50 WASH AND 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.