Things to consider when buying Wigs for Women A number of factors determine the price of hair wigs. Human hair wigs tend to be the most costly, however certain models are made of synthetic materials. Natural human hair lace comb hats are also among the most costly. While they're often more affordable but require more attention. The hair will react with humidity and the conditions and could require to be restyled or re-dyed for the best appearance. Given these issues you must consider whether the price of a natural human hair bob is worth the extra expense.