A signature piece in ROTOTOs collection since its inception, the Double-Face Socks combine functionality with unparalleled comfort. Made in Japan, these high-quality socks focus on quality and comfort. They are structured and inspired from original mountaineering socks and finished by rare Japanese knitting machines that input premium merino wool on the outside to increase heat retention, and soft, undyed organic cotton on the inside to give a huge amount of pile to provide superb cushioning and ultra winter cosiness thats gentle on the skin, delivering all-day coziness and warmth. * UK Sizing: Small: 4-6, Medium: 7-9, Large 10-12 * 85% Cotton, 15% Wool, 4% Polyester, 1% Polyurethane * Made in Japan Model: R1001