Blundstone 584 Winter Rustic Brown, waterproof winter comfort with fleece and Thinsulateô. Waterproof elastics, too. 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. PORON XRD in the heel strike zone to dissipate heel strike shock. Removable sheepskin footbed for warmth and comfort. PORON XRD in the heel pad. Extra set of footbeds. Leather lined.