Stomatex

Stomatex® is a high performance patented fabric which is inspired by the physics of transpiring plant leaves and invented by Nigel Middleton.

Stomatex is generally made from the closed-cell foam neoprene which is a synthetic rubber in a pattern of dome-shaped chambers each with a tiny pore within the centre.

This material can be used for a wide range of purposes but it is often made for outdoor clothing due to its properties of being able to balance thermal comfort with water protection. It can be useful for:

It can also be used for outdoor recreational purposes such as snow sports and field sports.

...
Wikipedia