UPPER: Waterproof leather and textile.  Faux fur collar for added warmth and soft fleece lining.

INSULATION: 200 grams insulation. Rated -40F.

FOOTBED: EVA for comfort and support.

SHANK: Molded nylon shank provides torsional rigidity and support.

MIDSOLE/OUTSOLE: Non-marking Omni-Grip rubber compound with a winter specific lug tread pattern for maximum traction.