Extremely durable, comfortable and warm fleece-lined synthetic canvas boot with wool & aluminum foil lined insole. Features include a 600 Denier water-repellant polyester canvas outer shaft which is laminated to a moisture-absorbent foam as well as an inner layer of fleece. This creates an insulated air layer designed to give extreme comfort in cold weather situations. The insulated multi-layer fleece insole also has an aluminum foil heat shieldfor added warmth.