Banff 52916This product contains metallized membrane as a thermal reflector and as a vapor barrier. Keeps body heat, evacuates transpiration, good protection against cold. Material: 100% Nylon - Durable Five Ply FabricType: BootShaft height: 4 1/8"Fastening: LacesInner: Soft Fuzzy MaterialOccasion: Cold Weather & WetColor: Gray or BlackComes in original boxTear resistant, quick drying