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.
Adorable Crochet Gifts
reversible fleece baby hat
Traditional baby bonnet with not-so-traditional ears!
FREE PATTERN : REVERSIBLE TODDLER HAT/BONNET
Bear Hat, Rawr!
Knitted Animal Hats