Customers say these mesh wig liners are comfortable, lightweight, and cooler than nylon alternatives. They appreciate how the liners stay in place, help secure wigs, and allow their heads to breathe. Many find them easy to put on and effective at containing natural hair without being too tight. Users note the mesh material prevents headaches and provides better air circulation. Some mention the elastic stretches out over time, requiring replacement after a few months. A few customers report issues with slipping on fine hair or the liner being visible through wig parts. Overall, reviewers prefer these mesh liners over other cap styles for their comfort and functionality.