From the Knit Rowan website:
To celebrate the new characters coming to Mossy Bottom Farm - 3 mischievous Llamas - we’ve teamed up with Shaun the Sheep to create another ‘baa-rilliant’ winter woolly – this colourful Farmer’s Llamas hat is available to download free now.

Finished dimensions:
To fit age/size:
Toddler 3-5 yrs
Child 6-9 yrs
Teen 10-14 yrs
Adult 15+ years

To Fit head circumference, approximately:
38-42: 43-48: 50-54: 55-58 cm
15-16½: 17-19: 19½-21½: 21½-23 inches

Crown depth, from cast-on edge, approximately:
22 23 23 24 cm
8½ 9 9 9½ inches

Yarn information:
Photographed with Rowan Pure Wool Superwash Worsted 100g balls
Yarn A - 00135 Papaya
1 skein for all sizes
219 yards

Yarn B - 00132 Buttercup
1 skein for all sizes
219 yards

Yarn C - 00138 Azure
1 skein for all sizes
219 yards

Yarn D - 00101 Ivory
1 skein for all sizes
219 yards

Yarn E - 00160 Topaz
1 skein for all sizes
219 yards

Oddments of 6th Colour (00155 Charcoal Grey) for embroidery.