Arena 3d race cap this arena 3d race cap is designed to offer optimal performance and help you go faster through the water it is a lightweight super 3d moulded lightweight swimming cap which is made from silicone it has a wrinkle free fit with less friction reducing drag and keeping it secure on your head arena branding features to the front swimming cap lightweight wrinkle free super 3d moulded arena branding 100 silicone whitegold