Traditional Icelandic tail-caps are worn with the tail folded to the side. In this male version, the width and number of stripes can be varied, as can the colours.
The pattern is based on caps worn by Icelandic men during the 18:th century.
More information at Wikipedia: http://en.wikipedia.org/wiki/Icelandic_tail-cap
Size: S (M) L.
Width: 54 (56) 58 cm = 21¼ (22) 22¾ inches.
Height: 29 (30) 32 cm = 11½ (12) 12½ inches.