This hat gives can be made with a couple of skeins or with scraps, your choice. It is fully reversible and extra warm.
The stretch of the rib makes it easy to fit any head you’re knitting for.

Yarn
Fingering weight yarn total yards / meters needed for each size
310 (404, 548, 663) yds / 284 (370, 501, 606) m
Original knitted in fingering weight scrap sock yarn. 75% superwash merino and 25% nylon. I used 31 g of each MC and 17 g of red.

Needles
US size 4 / 3.5 mm 16” circular and dpn

Notions
1 stitch marker to mark the beginning of the round
An extra cable or needle and a crochet hook size “E” / 3.5 mm to work the cast on
Tapestry needle for closing the top