Summer hat crocheted

 A simple, easily memorable, and at the same time striking pattern will make knitting easy and enjoyable.
4 sizes: 0 months [1, 2, 3] years.
Head circumference accordingly: 37 [42, 47, 52] cm.
You will need:
100 g of cotton yarn (approximately 200 m per 100 g);
Hook No. 4 or another suitable for the knitting density.
Knitting density:
4 shells in 9 rows = 10.3 by 7.8 cm. Note.
Shell: Crochet (DC, 1 ch, DC) into one stitch.
ch – chain stitch
SC – single crochet
DC – double crochet
Sl st – slip stitch
To knit a sample for density calculation, chain 26 ch.
Row 1: SC in the 2nd stitch from the hook, * skip the next 2 ch, 5 DC in the next ch (shell made), skip the next 2 ch, SC in the next ch; repeat from * to the end of the row: 4 shells and 5 SC.
Row 2: [4 ch, turn; DC in the first SC (counted as the first shell)], 1 ch, * skip the next 2 DC, SC in the next DC, skip the next 2 DC, 1 ch, shell in the next SC (see note), 1 ch; repeat from * 2 more times, skip the next 2 DC, SC in the next DC, skip the next 2 DC, 1 ch, shell in the last SC: 5 shells and 4 SC.
Row 3: 1 ch, turn, SC in the first shell, * 5 DC in the next SC, SC in the next shell; repeat from * to the end of the row: 4 shells and 5 SC.
Rows 4-9: Repeat rows 2 and 3 3 more times.
Description.
The hat is knitted from the top down, the bottom is knitted from simple double crochets, then the shell pattern is knitted.
Descriptions for larger sizes are given in parentheses.
Form an initial magic ring or close 4 ch into a ring, making a sl st in the 1st ch.
Row 1: 1 ch, 7 [8, 9, 10] SC in the ring; Sl st in the first SC: 7 [8, 9, 10] SC.
Row 2: 1 ch, 2 SC in each SC to the end of the row; Sl st in the first SC: 14 [16, 18, 20] SC.
Row 3: [4 ch, DC in the same stitch (counted as a shell here and in similar cases)], DC in the next SC, * shell in the next SC, DC in the next SC; repeat from * to the end of the row; Sl st in the 3rd ch from the initial 4 ch: 7 [8, 9, 10] shells and 7 [8, 9, 10] DC.
Row 4: Sl st in the arch of 1 ch of the first shell, 4 ch, DC in this same arch, 2 DC in the next DC, * shell in the next shell, 2 DC in the next DC; repeat from * to the end of the row; Sl st in the 3rd ch from the initial 4 ch: 7 [8, 9, 10] shells and 14 [16, 18, 20] DC.
Row 5: Sl st in the arch of 1 ch of the first shell, 4 ch, DC in this same arch, shell between the next 2 DC, * shell in the next shell, shell between the next 2 DC; repeat from * to the end of the row; Sl st in the 3rd ch from the initial 4 ch: 14 [16, 18, 20] shells.
For size 0 months.
Row 6: Sl st in the arch of 1 ch of the first shell, 3 ch, 2 DC in this same arch, SC between the just knitted and the next shell, * 5 DC in the next shell, SC between the just knitted and the next shell; repeat from * to the end of the row, 2 DC in the same shell where the initial 3 ch were knitted; Sl st in the top ch from the initial 3 ch: 14 shells and 14 SC.
For sizes 1, 2, and 3 years.
Row 6: Sl st in the arch of 1 ch of the first shell, 4 ch, DC in this same arch, DC between the just knitted and the next shell, * shell in the next shell, DC between the just knitted and the next shell; repeat from * to the end of the row; Sl st in the 3rd ch from the initial 4 ch: [16, 18, 20] shells and [16, 18, 20] DC.
For size 1 year.
Row 7: Sl st in the arch of 1 ch of the first shell, 3 ch, 2 DC in this same arch, SC in the next DC, * 5 DC in the next shell, SC in the next DC; repeat from * to the end of the row, 2 DC in the same shell where the initial 3 ch were knitted; Sl st in the top ch from the initial 3 ch: 16 shells and 16 SC.
For size 2 years.
Row 7: Sl st in the arch of 1 ch of the first shell, 4 ch, DC in this same arch, shell in the next DC, * shell in the next shell, shell in the next DC; repeat from * to the end of the row; Sl st in the 3rd ch from the initial 4 ch: 36 shells.
Row 8: Sl st in the arch of 1 ch of the first shell, 3 ch, 2 DC in this same arch, SC in the next shell, * 5 DC in the next shell, SC in the next shell; repeat from * to the end of the row, 2 DC in the same shell where the initial 3 ch were knitted; Sl st in the top ch from the initial 3 ch: 18 shells and 18 SC.
For size 3 years.
Row 7: Sl st in the arch of 1 ch of the first shell, 4 ch, DC in this same arch, shell in the next DC, shell in the next shell, DC in the next DC; * shell in the next shell, shell in the next DC, shell in the next shell, DC in the next DC; repeat from * to the end of the row; Sl st in the 3rd ch from the initial 4 ch: 30 shells and 10 DC.
Row 8: Sl st in the arch of 1 ch of the first shell, 4 ch, DC in this same arch, shell in each of the next 2 shells, shell in the next DC, * shell in each of the next 3 shells, shell in the next DC; repeat from * to the end of the row, Sl st in the 3rd ch from the initial 4 ch: 40 shells.
Row 9: Sl st in the arch of 1 ch of the first shell, 3 ch, 2 DC in this same arch, SC in the next shell, * 5 DC in the next shell, SC in the next shell; repeat from * to the end of the row, 2 DC in the same shell where the initial 3 ch were knitted; Sl st in the top ch from the initial 3 ch: 20 shells and 20 SC.
All sizes:
Row 1: 1 ch, SC in this same stitch, skip the next 2 DC, 1 ch, shell in the next SC, 1 ch, * skip the next 2 DC, SC in the next DC, skip the next 2 DC, 1 ch, shell in the next SC, 1 ch; repeat from * to the end of the row; Sl st in the first SC: 14 [16, 18, 20] SC and 14 [16, 18, 20] shells.
Row 2: 3 ch, 2 DC in the first SC, SC in the next shell, * 5 DC in the next SC, SC in the next shell; repeat from * to the end of the row, 2 DC in the same shell where the initial 3 ch were knitted; Sl st in the top ch from the initial 3 ch: 14 [16, 18, 20] shells and 14 [16, 18, 20] SC.
Repeat the last 2 rows 5 [6, 7, 9] more times, or until the desired length.
Finish the work.