This is what your cone part should look like layed flat.
Pretty Simple Soap Cozy ~ FREE Crochet Pattern
This crochet soap cozy is a great little gift. Pretty Simple Soap Cozy - Media - Crochet Me
Here is how to crochet a hat any style any size - beginner crochet hat pattern and tutorial
For an adult female, the hat should fit if you crochet a circle until it measures 5 FLAT (stop your increases at that point). For a man's hat, stop you increases when your circle measures about 6 FLAT.
Here's an english translation of the instructions for my Crochet Converse Sneaker Slippers . The translation was done by Maria Nyberg.
Crochet Hat Pattern ⋆ Rescued Paw Designs Crochet by Krista Cagle