All materials which are used in the GORE RUNNING WEAR™ collection have been extensively tested to meet the tough Gore performance standards in the following areas:

GORE-TEX® laminates: waterproofness, windproofness, breathability

WINDSTOPPER® products: windproofness, breathability, lightness

They are optimized to provide best wearing comfort.
According to the end use they can be worn in combination with each other to achieve maximum functionality.