This is a vintage cap from a rather old steel chainsaw. It's a novelty item, not for sale. It has been stored for a long time. The size was measured on the inside. It's suitable for those with a head size of approximately 54cm to 57cm. Color: Navy, a dark navy blue. It will be folded and shipped via Yu-Packet Post. If you are concerned about wrinkles, we can ship via Takkyubin (home delivery service), but the price will be adjusted to include the Takkyubin shipping fee. Please be sure to comment before purchasing. Please understand that this is a used item.