Zwartbles Spiral by Chrissie Day

Zwartbles Spiral

Chrissie Day's Ravelry Store
no longer available from 1 source show
Knitting
December 2010
24 stitches and 34 rows = 4 inches
US 6 - 4.0 mm
Flag of English English

Alternating the sets of rows form purl to fairisle gives the hat a concertina effect which is very fetching.
The choice of placing the blocks of fairisle stranded knitting where you wish means this can be personalised even more.