The size marking on the inside has disappeared due to Oxiclean soaking, but the box remained, so it's definitely 18cm. (Box not included.) There are traces of a name sticker on the inside. Please purchase only if you understand that this is used children's clothing. These are kids' sneakers with a suede and mesh combination, designed to be lightweight and highly breathable. - Brand: new balance - Model: 996 - Color: Gray/Blue - Material: Suede/Mesh Thank you for viewing. Color... Gray系 (Gray-based)