New, Unopened Marude Kotatsu Socks - Men's Black Marude Kotatsu Socks - Women's Pink Set of 2 pairs ◎ For warming feet while sleeping ◎ Want to warm up while keeping toes free ◎ For cold protection for your feet in the office, etc. Sorry, but no discounts are available. ※ Patent No. 6043982 Developed jointly with Meiji University of Integrative Medicine Materials: Acrylic, wool, others