16 May 2008
   
   

W System Outer Shell

Totally dry with vapour management


 

 

The Sub-Zero outer shell with vapour management system keeps you dry in a totally different way.

Outer fabrics based on porous membrane technology stop working in the rain- the pores simply block with water.

Our solution to this is a twin layer shell. The inner membrane allows water vapour through but won't let damp back in (up to a 2m head of water can be held back by our fabric).

We add a completely waterproof outer layer to keep out the elements. This layer condenses the vapour on the inner layer and allows it to collect at a drain point at the bottom for release when convenient.

 
 

Sub Zero was chosen by the Expedition to climb Chaukula in the Himalayas, all 6529m of it. Environments like this test any technical clothing to their limits and Sub Zero performed exceptionally well.