Sorel Glacier Boots
1000 denier Cordura nylon upper. ; Drawstring with barrel lock closure. ; Removable 13mm removable ThermoPlus felt InnerBoot provides superb warmth, moisture transfer, comfort, and durability. ; 13mm removable Sorel Meltdown Midsole. ; 2.5mm bonded felt frost plug in the shell to provide an extra layer of insulation and warmth. ; Handcrafted, waterproof vulcanized rubber shell. ; Aerotrac outsole. ; Sorel Rated: -100F/-74C. ; 14.00 shaft height.