From full costumes to the final accessories and details you need to pull your look together, find all the most popular Halloween costume ideas for men available from small shops on Etsy. Hippie costumes are a popular pick for men, and you’ll find full costumes or fun accessories like vests and belts to complete your look. Skipping ahead a decade, 80s costumes are another go-to costume idea for men. If you prefer a scary Halloween costume, try a vampire costume created by an Etsy seller, or grab a cape and fangs and pair them with any black outfit you already have in your closet.