Poly One
This is a cap from "PolyOne Corporation," a company that provides polymer materials in the United States.
COLOR|Navy
SIZE|Head circumference: 54.5cm × 59.5cm, Height: 11.5cm (measured vertically from the base to the top button. Please consider this as a reference as there may be an error of ±0.5~1cm depending on the measuring method.)
MATERIAL|Unknown (estimated cotton)
CONDITION|Cleaned. No noticeable stains, fraying, etc.