OUTDOOR RESEARCH WHITEFISH HATThe Whitefish Hat was named after Montana's deep winter cold. 100% polyester warmth protects your head, upper neck, and ears, plus a stowable face mask is easy to unleash when the weather gets real nasty.FEATURESHigh Pile LiningStowable FacemaskConvertibleWaterproofWindproofBreathableUpdated to bluesign(R) approved and RecycledTECH SPECSFABRIC : bluesign(R) approved 56% Recycled Pet 44% Polyester Shell, 100% Polyester Lining, 63% Nylon, 23% Polyester, 14% Spandex Face MaskWEIGHT : 3.4 oz/97 g