Selling because my child has outgrown them. The size is 15cm, but I think they run a little small. They fit like a 14-15 cm shoe. I bought these for going to the rocky beach. I've only used them about 3 times. They're stretchy sneakers made of a rubber-like material, perfect for playing in rivers or water. I think they're in good condition. Please refrain from purchasing if you are sensitive to used items. Thank you for your understanding. *Instant purchase is welcome. I will prioritize those who purchase immediately, even during negotiations. *I am also selling other boys' clothes. Please take a look if you'd like＾＾ #BoysShoes #KidsShoes #BoysSneakers #KidsSneakers #RiverPlayShoes #CampingShoes