Thank you for viewing. I wore these indoors for about a week after purchasing them, but they don't fit, so I'm selling them. I only used them indoors for a short period, so they show no signs of wear and are in good condition. Below is information from the official website: The pioneer of recovery footwear Evolving from the OOriginal, the OOfoam™ upper provides even more support and comfort. Color: Black系 (Black-based) Stains, tears, odors, etc.: None Size: 28cm