RoToTo Double Face Crew Socks (Army Green) R1001 408810011 Consortium ROTOTO Double face crew socks Merinowool & Brown og Pink Authentique RoToTo R1515 Double Face Crew Socks in Dark Yellow Light Gray ROTOTO Double Face Crew Socks "Merino Wool & Organic Cotton" Red ROTOTO Double Face Crew Socks "Merino Wool & Organic Cotton" Black Bro. RoToTo R1515 Double Face Crew Socks in Dark Yellow Light Gray. These double layer socks are knitted by skilled craftsmen with a hard to find machine in their small village. The surface fabric is made of colored cotton, while un dyed silk is used for the lining. To bring the best out of the advantages of silk, such as moisture absorbency as well as heat and moisture retention, the liner fabric is finely knitted with a pile surface. 48% Silk, 38% Cotton, 6% PL, 1% PU Made in Japan Hand Wash Only Do Not Tumble Dry ROTOTO Crafted and designed in Japan, RoToTo uses traditional and modern manufacturing techniques, to create the ultimate cool comfort sock with the tag line have a good feel. These socks are the epitome of style and fit.