From designer:

Working with hand-painted yarns is the ultimate indulgence. In a prism of ultra-cool blue and purple hues, this cool and cozy garter-stitched cartigan is here to stay. The attached scarf is knit with two strands of yarn - Iro and Cash Iroha - held together.

Requires 5 buttons size 1 1/4 in (3 cm).

Amount of yarn necessary to complete project (from smallest to largest):
Iro: 10, 11, 11, 12, 12.
Cash Iroha: 2, 2, 2, 2, 2.

Actual measurement:
45 3/4, 48 1/2, 51, 53 3/4, 55 1/4 inches.
116.5, 123.5, 130, 136.5, 143.5 cm.

Lenght:
30 3/4, 30 3/4, 30 3/4, 31 1/2, 31 1/2 inches.
78, 78, 78, 80, 80 cm.