SU-BH-6 Stretchable Thin Skin w/ Fine Mono Top 1/2″ Swiss Lace in the front with hair, 1/2″ extra Swiss Lace without hair. Fine Mono on the top and back. Stretchable thin skin between Swiss Lace and Fine Mono top. Cut-away stretchable thin skin on the nape. Single hair ventilation and Small Bleached Knots in the front hairline. (Colors 1, 1B, 17, 18, 20, 22R, 60RY are not bleached) Completely undetectable.