RoToTo’s whole attitude is simple: elevate the everyday. Treat humble essentials with luxury‑level seriousness, keep production local, honor craft, build things that last. These double face socks are knit in Japan from naturally colored organic cotton and inspired by chunky mountaineering styles, with merino wool on the surface and a napped organic‑cotton lining for soft, fluffy comfort. 80% Cotton, 15% Wool, 4% Polyester, 1% Polyurethane, Made in Japan, Style Code: RTT-R1001-CHL. RoToTo Men's Double Face Socks in Charcoal, Size Medium Color: gray