You cannot survive winter with your attitude intact as well as you can wearing a pair of Eskimo Boots. Ask anyone. 100% Wool-lined genuine suede or full-grain bundu leather upper on a lightweight proprietary Georgia sole(TPR). TPR = non slip, rugged, light-weight rubber composite sole. Walk-Dry technology: Bundu leathers are tanned using a water-resistant tanning technology. Genuine YKK zips fitted on the inside leg for easy-slip-on, robust use. Leg Height: 250mm Calf Measurement: 390mm circumference. Please Note: The Eskimo boot is not a gum boot . With the application of the Freestyle Leather Protector it will make the suede more resistant to water, but not waterproof. Please allow the boots to dry out properly if they get wet. Handmade in Cape Town, South Africa.