Pattern also includes instructions for the Wave Hat. Yarn used: Mode at Rowan Softest Alpaca A. 010 Black - 2 balls B. 012 Ash - 2 balls C. 013 Pebble - 1 ball Yarn weight Aran (8 wpi) Gauge 18 stitches and 24 rows = 4 inches in Stockinette Stitch Needle size US 9 - 5.5 mm Yardage 710 yards (649 m) Sizes available One Size - Approximately 10.75" (27 cm) wide x 85.25" (216.5 cm)