【New, Unopened】 Socks Supplement - Marude Kotatsu Socks (Like a Heated Kotatsu) - Product Name: Marude Kotatsu Socks - Size: 23-25cm - Function: Cold Protection & Insulation - Color: Black The product is new and unopened. I accidentally bought two pairs of the same color, so I am selling one pair. I purchased these this month.