GEX Mens Toupee Hairpiece SWISS LACE Hair Systems Bleached KnotsSpeak of the mens hair systems, the SWISS Lace System must be the most classic one. Made with the full SWISS Lace solely, the systems are more durable than other lace. Hand sewn lines on it ensure the base a better shape. Each hair is hand tied onto the lace base. There are two knotting in one space to make sure each hair will stay strong. All the knots in the front hairline are perfectly bleached. The system will be natural even you comb the hair