A simple and classic beanie, which is great for both men and women. The pattern is available in one size, but because of the elastic stitching, the size will be suitable for most adults. There are instructions on how to adjust the size. You can use DK / Lightweight yarn and a 4.0 mm crochet hook.
You can find the free crochet pattern of the Fisherman Beanie on the website of Pukapuka.