This is a PDF pattern for a great unisex newsboy style beanie. The texture is wonderful on this hat, I personally love making hats like this, they look and feel wonderful. :)
The pattern includes front and back post double crochet and I do include a video link for learning these stitches, along with a video link for the magic ring technique. The button strap (and sewing on buttons) are optional.
15 stitches and 14 rows in single crochet = 4" x 4" (10 cm x 10 cm)