Outdoor Research Frostline Hat Size:M from elite professional athletes and

from elite professional athletes and teams to any individual who wants to make sport part of their lives

Men's grooming essential

DWR-treated recycled polyester or nylon shell sheds light snow and rain without sacrificing breathability

structured fit in high-output conditions

Supports global poverty initiatives

Outdoor Research Frostline Hat Size:M from elite professional athletes andBuilt for hard winter conditions mountaineering, ski approaches, or bitter cold backcountry work the Frostline is our pick when temps drop and wind picks up. A Pertex Shield shell blocks wind and moisture while the Posh Pile fleece lining delivers real warmth fast. The zip out face mask and fold down earflaps let you dial protection to the conditions. Pertex Shield 2L 30D ripstop nylon shell sheds wind and moisture without trapping heat Posh Pile 100%