Free shipping! <<We look forward to your message in the comments before purchasing!>> [Instant Cooling!] Twice the cooling sensation! Instantly cool, durable, and soft Contact-cooling socks Special offer for a set of two. [Q-MAX value] that quantifies coolness The Q-MAX value quantifies the coolness when the skin touches the fabric! The larger the value, the colder it feels. Rayon tends to shrink when wet, but there is no problem with wearing it. Material: Rayon, Polyethylene, Others Size: 23-25cm Color: Black Length: 15cm We will choose the shipping method. If you wish to specify the shipping method, we can accommodate you for an additional fee, so please inquire. **Currently, all items are free shipping. Furthermore, if you purchase multiple items, we are giving away a "bonus" gift. If you combine multiple purchases into one, it will reduce our shipping costs, and we are passing those savings on to you. The contents and budget of the "bonus" gift will vary depending on the number of items included, the combination of products, and the shipping location. *Also, if anything is unclear, please feel free to ask.