Winter runners beanie: The Kama GTX WINDSTOPPER is made of a pleasant, flexible Lycra® material. The GORE-TEX INFINIUM™ WINDSTOPPER® is a windproof and breathable membrane that is strategically placed in the front to protect your sinuses. Lined with a Thermolite® headband for fast moisture wicking and maximum thermal comfort. Front and back safety reflective prints of the KAMA logo.