Beautiful, naturally-dyed yarn packs to knit this hat are available from Shilasdair

Ester

Slipped stitches and stars create colour and texture in a jolly hat inspired by vintage bathing attire.

Yarn
Shilasdair Coara Sport (70% Bluefaced Leicester; 30%
Shetland; 100m / 109yds per 30g skein)
1 skein of each of the following shades:
A Grey Alder
B Madder
C Birch

Needles and notions
Gauge-size needle (40cm / 16in)
Below gauge-size needle (40cm / 16in)
Stitch marker
Tapestry needle
(optional) pompom maker or ready-made pompom

Gauge
24 sts and 29 rounds to 10cm / 4in over slipped-stitch and
star pattern
Use 3.5mm / U.S. 4 needle as a starting point for swatching.

Size
To fit head circumference: 51-56cm / 20-22in
Hat circumference (unstretched): 51cm / 20in
Height from brim to crown: 25.5cm / 10in

Special techniques
Slipped stitches; double wraps; 5 stitch star
A video tutorial for the 5 stitch star motif is available at
https://kddandco.com/tutorials/

Pattern notes
After a few rounds of beaded rib, the body of the hat is worked in three shades from a chart following the slipped stitch and star pattern. Decreases shape the crown, and a pompom is added (if desired).