To have your own crochet hat made send an email to firstname.lastname@example.org with what you are looking for. Be sure the subject line states Crochet Hat.
Neldee usually has pre-made beanies for sale
Neldee makes Adult/Child Matching Beanies
Neldee also makes ponytail Beanies with an elastic in the bun/ponytail hole for easier fit.
See pictures below of some of Neldee’s other hat creations