This is Regia sock yarn and Kaffe Fassett has chosen the colors for three ranges called Landscape, Exotic and Mirage. This is shade #4450 which is called Exotic Easter and is a blend of pink, mauve, red, blue and green. It will knit up like the sock in the photo.
The yarn is 75% wool and 25% polyamid . It is machine washable and does not felt and is color fast. It knits on 2.5mm / 3mm needles at 30 stitches over 42 rows for a 4" square.Each ball is 230 yards in length and you will need 2 balls for one adult pair of socks.
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