These are the popular Nike Flex Run 2021 running shoes (retail price: 10,450 yen). The size is 26.5 cm. Below is the product description: The Nike Flex Run 2021 is suitable for everything from short runs to casual outings. This minimalist, lightweight design uses over 20% recycled materials by weight, keeping you comfortable. It combines a stretchy, adaptable fit with the flexibility runners need, allowing you to enjoy running with a natural feel. Soft, durable foam provides comfort with every step. Brand new, purchased from a Nike store. I have other items for sale too! Please check them out. Product number: CW3408 002