This pattern contains instructions for turning the same stitch pattern into a hat (infant through adult sizes), a cowl, and a scarf.

The hat calls for approximately 280 yds (for adult size) of sportweight yarn and a US 6 (4mm) needle.
The cowl calls for approximately 280 yds of sportweight yarn and a US 7 (4.5mm) needle.
The scarf calls for approximately 440 yds of worsted weight yarn and a US 8 (5 mm) needle.