I wanted to confirm that there is a difference between the salomon xt wings wp and the xt wings gtx. Clearly on your website there is a difference, but others vendors seem to be confused. Am I right to assume that the wp's use a Salomon proprietary membrane, while the gtx's use goretex?

Tech Specs:

Material:

[Upper] Water-resistant textile; [Insert] waterproof bootie construction 

Sole:

[Outsole] Running Contragrip; [midsole] triple density EVA; [midsole] pronation control 

Lacing:

Salomon Asymmetrical Quicklace 

Shank:

Agile Chassis Skeleton 

Weight:

[Pair, size 9] 14oz 

Recommended Use:

Trail running, wet weather, hiking, casual wear 

Manufacturer Warranty:

1 Year 

Country of Origin:

Cape Verde