Gore Thermium
For extreme conditions, GORE® THERMIUM™ will protect against exposure to moisture thanks to its durably light, exceptionally breathable and rain-resistant membrane. With an incredibly light 10 denier outer face fabric and protective PTFE membrane it weighs just 38 g/m² yet will defend against snowfall, snow-melt and the effects of condensation; ensuring that down maintains its loft even in cold and damp conditions. Read more