The perfect choice for those who insist upon a perfect undetectable hairline wiht Swiss Lace Front with a French Base which adds durability. We use a special procedure of single stranding and a unique method of concealing the knots in order to attain an invisible hairline. It€™s not only comfortable and breathable, its more durable. The swiss front is the most undetectable material used in hair systems today as it virtually disappears into your scalp once placed onto your head.