The gauges vary a bit between the two yarns in the sample sizes; read the pattern gauge notes carefully.
Hat samples knitted in SHOKAY Shambala and Sheep Shop Yarn Company Sheep 1.
Yarn weight: Aran (8 wpi)
Gauge: 16 stitches and 20 rows = 4 inches in Basketweave pattern
Needle size: US 8 - 5.0 mm
Yardage: 65 - 164 yards (59 - 150 m)
Sizes: 18(21)" or Child (Adult)