Ribbed Beanie Knitting Pattern (Unisex Mariner's Hat). Make a ribbed beanie that is perfect for any time of the year! Created using basic knitting stitches, this is perfect for any advanced beginners. This seaman's watch cap or mariner's hat pattern is a simple and easy pattern to follow. #hatpattern #knitting #knittingpattern #ribbedbeanie #beaniepatternrn