Here are medium hairstyles for straight thin hair which are totally cool and casual. First is bob hairstyle. This hairstyle works well for straight hair because the texture will stand out more. This hairstyle usually works well to make an elegant image because it comes with simple styling such as middle parted styling which goes well for those who have thin straight hair. But, to make it looks a little bit voluminous, blow the tip of the hair inward.
Second hairstyle is the bob hairstyle with long side swept fringe. This is one of medium hairstyles for straight thin hair 2014 which gives real casual and cool look. Simply apply the cool bob hairstyle first, then side swept the long fringe until it covers some parts of the forehead. It will look cooler if the fringe covers one eye because it gives a kind of mysterious look.
Third hairstyle is the voluminous bob hair with choppy cut and side parted styling. This is one of medium hairstyles for straight thin hair which is cool with the neat side parted styling. The choppy cut makes this hairstyle looks more textural, especially the tip. You even can tuck the hair behind the ear to give a real cooler look.