From the Knit Rowan website:
Knit this pretty ladies vest, designed exclusively for Knitrowan by Lisa Richardson. Using Tetra Cotton, a unique modern construction of four shades (cotton), this round neck vest has a ladder stitch rib section and garter stitch edgings.

Finished dimensions:
43: 48.5: 54.5: 60.5: 67.5 cm
17: 19: 21½: 24: 26½ inches

Yarn information:
Photographed in Garda 008
5, 5, 6, 7, 8 skeins
710, 710, 852, 994, 1136 yards