The first layer:
The second layer(Middle layer):
Transparent TPU membrane,The thickness is 0.015MM.(It can be TPES/PU/PTFE membrane in the middle layer).
The third layer(Back layer):
It's Polar fleece,150D*150D,ANTI-PILLING one side.
The total weight is 320GSM,Waterproof>10,000MM and breathable>3000g/m2.day.