The pattern
About Ochaco
A hat , in 4 sizes : XS (45 cm), S (50 cm), M (55 cm) and L (60 cm) Fingerless Mitts , in 2 sizes : S (18 cm), L (21 cm). A Cowl , in 3 sizes S (60 cm), M (70 cm) and L (80 cm).
To knit them, you need : Hat : approx. 160, 170, 180 m. Fingerless Mitts: approx. 140, 160 m. Cowl: approx. 320, 450 m.
I recommended to use The cat Who Tricote "Dinah" (100% merino, 225 m / 246 yds, 100 g)