Black socks that keep your feet warm with far-infrared ray effects. - Color: Black - Features: Heat retention due to far-infrared ray effect - Design: Simple design Thank you for viewing. These items are stored at home. Please refrain from purchasing if you are seeking perfection or are overly sensitive. Please feel free to contact us if you have any questions. We do not accept cancellations, returns, or refunds after purchase, so please only purchase if you agree to these terms. Immediate purchase is possible. The listing may be deleted without notice.