Isis Brown Sugar BS 604 is constructed with a blend of human and synthetic hair, french lace and a unique free flow 4 x 4 part. The style mix of human and synthetic allows curls and style to stay in place longer. The french lace is soft and breathable which allows for comfort wearing. The hexagonal honeycomb structure is unlike no other. Isis BS 604 is natural looking, versatile, and one of the best lace front wig on the market today.