From the Knit Rowan website:
This boys round neck sweater features in Little Rowan Cherish. Designed by Linda Whaley in Wool Cotton in features simple all over texture making it suitable for the knitter with a little experience.

Finished width dimensions:
at bottom hem
24: 25: 26: 27: 27.5: 28.5 cm
9½: 10: 10: 10½: 11: 11½ inches

Yarn Information:
Photographed with Rowan Wool Cotton in String 999
2, 3, 3, 3, 4, 4 skeins
246, 369, 369, 369, 492, 492 yards

Extras:
QTY (2) 15mm buttons.