RoToTo is a Japanese brand dedicated to crafting high-quality socks with traditional techniques and modern functionality. The double face sock is a cold-weather essential – chunky, durable, and made with a slubby blend of organic cotton and merino wool. Its fleece pile lining adds warmth and comfort, making it a reliable layer to step out in. 80% Organic Cotton, 15% Merino Wool, 4% Polyester, 1% Polyurethane Fleece Pile Lining Made in Japan Style Code: RTT-R1001-CHL | Men's Rototo Double Face Socks in Charcoal | Size: Medium | Cotton/Polyester/Fleece | END Clothing