Size: 23.5 I received these as a gift, but the size didn't fit, so I'm selling them after only trying them on indoors. [Size Reference] I usually wear 23.5cm, but because I have wide and high-arched feet, they felt tight. *Please refrain from purchasing if you are sensitive to details. Please read my profile and only purchase if you understand and agree to the terms. I look forward to your purchase if you understand the above. Color: Gray