Blundstone #1392 Winter Thermal Dress Chelsea in Rustic Black is a boot you can wear with a suit or a snowsuit! We winterized this boot for total comfort in the coldest months. Warm and dry and easy on the eyes. 100% wool fleece footbed, Thinsulate™ lining, 100% waterproof—even the elastics! Chelsea boot height for over-the-ankle slush protection. - 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.