The 2241 winter thermal boot by BLUNDSTONE looks loved right out of the box, and just gets better with time. Thinsulate™ lining and natural wool footbeds retain body heat. 100% waterproof leather and elastics. Lightweight, pull-on, kick-off BLUNDSTONE comfort made for Canadian winters. Bring on the chilly! Details 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 Rule of Toe For women, subtract 3 sizes from your Canadian size For men, subtract 1 size from your Canadian size For kids, subtract 1 size from your Canadian size