Ear Panels: Polyester Mesh Face and Polyester Brushed Knit Interior
Ear Panels Insulation: PolarTec Alpha Direct Insulation
Gore-Tex Infinium with Windstopper offers complete windproof protection through a durable, lightweight, and breathable membrane
OSFA
The Sitka Stratus Windstopper Beanie allows you to keep your head in the game - literally. A Gore-Tex Infinium with Windstopper laminate shields an insulating layer of micro-grid fleece to combat the autumn winds and the 4-way stretch ear band hugs your head while offering clear, unobstructed hearing.