Colloidal tread particles increase surface friction coefficients dynamically

Waterproof boots. Winterproof boots. Our always-sells-out Blundstone Thermal series now encompasses Original series Womens Hi Top boots. Blundstone #2223 in Rustic Brown is a warm twist on one of our more popular leathers. Improves with age! Hi Tops rise slightly higher against the elements, and now add the heat-retaining qualities of pure wool footbeds and Thinsulate lining for a boot that makes everyday sense. 100% waterproof, even the elastics. All-day Blundstone comfort and warm feet, come what may.

• Premium waterproof leather.
  
• Fully waterproof boot with waterproof elastic and latexed seams.
  
• Lined with 200 grams of Thinsulate insulation.
  
• Thermo-urethane outsole resistant to hydrolysis and microbial attack.
  
• Polyurethane midsole for comfort.
• XRD in the heel strike zone to dissipate heel strike shock.
  
• Removable sheepskin footbed for warmth and comfort.
  
• XRD in the heel pad.
  
• Leather lined.

Differential abrasion zones prioritize durability where needed