Worn only once, and stored after home cleaning. ~~~AI Summary~~~ This is the functional sock "CareSoku." It's foot health wear developed in collaboration with foot specialists, based on scientific evidence. There are series designed for various foot concerns, such as "Totonoe" (to regulate), "Uruosu" (to moisturize), and "Atatameru" (to warm). The "Totonoe" series features functions like "inner five-finger" design for proper toe use, "heel honeycomb cushion" for shock absorption, and a unique design to support the transverse arch. Please understand that this is a used item, stored by a private individual, and viewed from a non-professional perspective. Please feel free to comment with any questions, no matter how small. ✨Please read my profile (u_u)