I used an old 70's pattern for the hat, but you can for example use Petchy's pattern for reversible toddler's hat/bonnet. Unfortunately my hat turned out to be too small for my daughter, but it will make a nice gift for someone elses baby.
Add ear flaps and chin strap to a knitted hat
for all the Whovians out there
FREE PATTERN : REVERSIBLE TODDLER HAT/BONNET
Incredibly adorable, quick to knit, super soft baby hat.
A cute hat I knitted on a circular loom for my daughter! :)
Crocheted hat with super chunky wool , bear ears and ear fleps