This lovely pattern calls for Dune, a discontinued yarn from Shibui. We think it'd be lovely in Maai or a combination of yarns like Cima & Lunar, Cima & Pebble, etc!
25 stitches and 32 rows = 4 inchesin St st after blocking
US 3 - 3.25 mm
US 4 - 3.5 mm
US 6 - 4.0 mm
426 - 852 yards (390 - 779 m)
Scarf: 64" x 11"; Hat: 9" tall x 23" circumference