The chin strap is missing. Therefore, it is being sold at a low price. [Size] There is no size notation, but it is probably around 57.5cm. Size can be adjusted. [Material] Outer fabric: 37% polyester 29% linen 27% rayon 7% cotton Lining: 100% polyester Color: Ivory *Please also take a good look at the photos and make your judgment based on them. As I am an amateur, there may be oversights in the assessment of the condition, so please forgive me. If you are concerned, please refrain from purchasing. Also, please note that the color may differ from the actual product depending on the monitor. Please refrain from purchasing if you are nervous. Color: Beige系 (beige-ish) Color: White系 (white-ish)