Never worn but stored for about 5 years
Size 10 is about size 41-42 Europe. And about 26-27 Japan size. These stretch easily to fit wider feet.
Machine washable, cozy and comfortable.
Can ship anywhere in Japan (shipping is 195yen with Clickpost if package is under 3cm height and 520yen with Letter Pack extra (requires recipient to sign on delivery) for items that fit in A4 size dimensions but are over 3cm thick).