Description Blundstone #584 Winter Thermal Chelsea in Rustic Brown, waterproof winter comfort with fleece and Thinsulate. Waterproof elastics, too. All-day comfort for long winter walks. Unisex Blundstone sizing. Features Premium waterproof leather. Fully waterproof boot with waterproof elastic and latexed seams. Lined with 200 grams of Thinsulate TM 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. Extra set of footbeds. Leather lined. BLUNDSTONE WOMENS BLUNDSTONE WINTER THERMAL CLASSIC RUSTIC BROWN BOOT