Adult winter boots from the Australian brand Blundstone Fully waterproof boot with waterproof elastic and sealed seams. Injection molded Vibram rubber outsole and PU midsole with patented SPS at strike zones for all-day comfort and shock absorption. Self-cleaning outsole design proprietary to Blundstone. Excellent grip on wet, snowy, and slippery surfaces. Lined with 200 grams of Thinsulate™ insulation. Polyurethane midsole for comfort. XRD® in the heel strike zone to dissipate heel strike shock. Removable sheepskin footbed for warmth and comfort. Highly resistant to oil, organic, and inorganic acids. Heat-resistant sole to 300°C and specifically rated to maintain performance down to -15°C. Hidden stitching in the heel. Leather lined. Blundstone Winter Thermal All-Terrain 2241 Black