A thin PTFE membrane that behaves in the same way as human skin. It breathes, i.e. it releases excess heat and body moisture, while preventing the penetration of any moisture from outside. It is a wind and waterproof material. 38% polyamide, 62% ePTFE-GORE-TEX.
This glove has an insert (membrane) inside the glove, making the glove waterproof.