Things to consider when buying Wigs for Women A variety of variables determine the price of a wig. Human hair wigs tend to be the most costly, however some models are made from synthetic materials. The natural human hair comb hats are also the most expensive. While they're often more affordable but require more attention. It's possible that they'll be affected by humidity as well as the weather and may need to be changed or dyed to appear its best. Due to these reasons, you should consider whether the cost of a natural human hair bob is worth the additional cost.