Simple Premmie Beanie, free pattern

Here is a simple pattern for a premmie beanie that should come out around 9.5cm across. I used Patons 4 ply big baby yarn and a 3 mm hook. For a slightly bigger hat, use a 3.5mm hook. This pattern is in UK terms.

this hat was made using Patons 4 ply big baby yarn and a 3mm hook

this hat was made using Patons 4 ply big baby yarn and a 2.5mm hook

Simple Premmie Beanie, UK terms
approx. 4 ply and a 3mm hook
tension 5 trb per inch, or 2.5 cm
1. 3 ch, sl st to 1st ch to form loop, 2 ch (counts as 1st st) 9 trb into loop, sl st to 1st st (10 sts)
2. 2 ch (counts as 1st st), trb into same, (2 trb into next) repeat to end, sl st to 1st st (20 sts)
3. 2 ch (counts as 1st st), trb into same, trb into next (2 trb into next, trb into next) repeat to end, sl st to 1st st (30 sts)
4. 2 ch (counts as 1st st), trb into same, trb into next, trb into next (2 trb into next, trb into next, trb into next) repeat to end, sl st to 1st st (40 sts)
5-10. 2 ch (counts as 1st st), (trb into next) repeat to end, sl st to 1st st (40 sts)
11-12. 1 ch, dc into same, (dc into next) repeat to end, sl st into 1st dc (40 sts)
fasten off and weave in ends