From designer:

Luxurious yet sporty, it’s all about playing off the extremes. This hooded jacket is knit in garter stitch and has a close fit. Extend the length and add ribbing along the sleeves for an equally desirable look.

Amount of yarn necessary to complete project (from smallest to largest): 6, 7, 7, 8, 8.

Open-ended zipper to fit:
First 4 sizes: lenght 22 inches (57 cm).
Last size: lenght 23 inches (59 cm).

Actual measurement:
34 1/2, 36 1/2, 38 1/2, 40 1/4, 42 1/4 inches.
87.5, 92.5, 97.5, 102.5, 107.5 cm.

Lenght:
22 1/2, 22 1/2, 22 1/2, 23 1/4, 23 1/4 inches.
57, 57, 57, 59, 59 cm.