Swiss lace ...
The most natural and cool material is the Super
fine Swiss
lace. Usually this very soft material is just used for the front
to make a natural hairline. We do like
the natural look and the soft, cool feeling. However, this
material is more delicate than the "standard" materials.

Original Super Fine Swiss lace - "the best"
French lace is like Swiss lace, but stronger ( but not
as "invisible" as Swiss lace)
It is a very good compromise material for the base.
And also for the front.
Fine welded mono is much stronger.
It is stiffer material, but very cool. Perfect if you
want a system with the combination strong and airy. Sometimes this
material is used for the front also.

Fine mono
is more closely woven nylon material.
You can get this
very strong material in many colors. This is some kind of standard
material. It's a little bit hotter than Fine welded mono.
Super fine mono
is more tight woven than Fine mono. It's softer, but a little bit
hotter.
French top "Injected lace"
It is duo materials: One layer Super fine Swiss lace ( or French lace)
and one layer super fine Silk M material ( very tight material)
You ventilate the hairs into the lace ( bottom part) with normal
knots. Then you "inject" the hairs through the reverse side of the Silk
material, top part.
It looks like skin and injected hairs ( with no knots).
Super fine Swiss lace is thinner than this material
and more "invisible" for the front.
Super Thin skin
Thin skin
We will use the
word Thin skin for thin material and poly for thicker.
You can inject hair into Thin skin.
You can make this material "breathable" with tiny holes in the
material.
Perimeter materials:
.

Polycoated= PU on
the base (here fine welded mono) Perimeter,
flesh (on its own)
Extra layer of lace
material as perimeter
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