This is a participation prize from the Shibuya Open Swimming Time Trial held in October 2025. I am selling it because I don't use it. A swimming cap made of breathable mesh material. - Brand: Speedo - Size: M (50-56cm) - Type: Mesh cap - Model: M-SP *Please understand that this item has been stored at home and is a used item. Please note that I am a private seller and may have overlooked something. Please purchase with your understanding.