Aspects to Take into Account When Buying Wigs for Women There are a variety of factors that determine the cost of an wig. Human hair wigs tend to be the most costly, though some models are constructed from synthetic materials. The natural human hair comb hats are also among the most costly. While they're often more affordable, they require more maintenance. It's possible that they'll be affected by humidity and weather and may need to be restyled or re-dyed to make it look the best. Due to these reasons, you should consider whether the price of a natural human hair bob is worth the added cost.