Blundstone 584 Winter Chelsea in Rustic Brown, waterproof winter comfort with fleece and Thinsulate™. Waterproof elastics, too. All-day comfort for long winter walks. Unisex Blundstone sizing.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. Extra set of footbeds. Leather lined. PLEASE NOTE: This boot features a pre-distressed leather that can vary in appearance. The boot you order may be lighter or darker than those pictured here.