"The Morgan Crochet Hat is a simple hat pattern. This classic beanie pattern is crocheted in Medium Weight Yarn [4] with a 5.5 mm (I) hook. The instructions are available for free and includes sizes from Preemie to Adult Large. This hat is designed between mid-ear and the base of the earlobe."

Click here for the crochet pattern
Crochet Octopus Pattern With Matching Preemie Hat
This is a two-in-one crochet pattern. It includes the crochet octopus pattern. Plus a simple crochet beanie hat pattern. There are instructions for a preemie size and a newborn size hat. This pattern is for sale on Ravelry.

Get It Together Hat
"Crocheted with half double crochet stitches in the back bar of each stitch, this finished beanie resembles a knit stitch hat. It is simple and easy to crochet. Finished Sizes This hat is designed to reach the base of the earlobe. Preemie height 4.5 inches X 10 inches circumference Newborn height 5 inches X 12 inches circumference 0-3 months height 5.5 inches X 14 inches circumference 3-6 months height 6 inches X 15 inches circumference 6-12 months height 6.25 inches X 16 inches circumference 12-24 months height 6.5 inches X 17 inches circumference Small Child Hat (age 3-5 years) height 7 inches X 18 inches circumference Child Hat (age 6-10 years) height 7.25 inches X 19 inches circumference"

Everyday Pom Pom Beanie
Learn how to crochet a basic beanie! The Everyday Crochet Beanie is the perfect, easy crochet beanie that will become a staple in your fall and winter wardrobe. The Everyday Beanie features a ribbed fold over brim, a tapered head and is topped off with a yarn pom pom! You can also leave off the pom pom entirely for a minimalist and simple beanie :) This crochet beanie pattern has seven different sizes - preemie, baby, toddler, child, tween, adult small and adult large - so you can make a beanie for everyone in the family! There is also a step-by-step video tutorial.

Casey Hat Free Crochet Pattern
The Casey Hat is crocheted from the top-down, in one piece and is made with Medium Weight Yarn 4 and a 5.5 mm (I) crochet hook. Stitch tutorial is provided in my post. Finished Sizes This hat is designed between mid-ear and the base of the earlobe. Preemie height 4 inches X 10 inches circumference Newborn height 4.75 inches X 12 inches circumference 0-3 months height 5.25 inches X 14 inches circumference 3-6 months height 6 inches X 15 inches circumference 6-12 months height 6.5 inches X 16 inches circumference 12-24 months height 6.5 inches X 17 inches circumference Small Child Hat (age 3-5 years) height 7 inches X 18 inches circumference Child Hat (age 6-10 years) height 7.25 inches X 19 inches circumference Teen Hat height 8 inches X 20 inches circumference Adult Hat (Medium) height 8.5 inches X 21 inches circumference Adult Hat (Large) height 9.25 inches X 22 inches circumference"

Chevron Crochet Preemie / Baby Hat
Make a simple crochet beanie hat a bit more special when you use different stitches. This one incorporates the chevron stitch, a bold graphic design that's easy to craft. This crochet hat is available in six sizes, three of which are for different sizes of preemie babies.
