Lizard Ridge Hat – Zeph Knits Size The newer small/medium hat fits anything from child-size to average adult heads, up to 21/22 inches circumference. The medium/large original version fits any average to large adult head, up to 24/25 inches circumference. The different sizes are achieved by using different needles. Finished Measurements and Gauge Hat circumference: Small/Medium = 19-20"/48-51cm; 5 stitches per…