Get premium warmth and comfort in the Timberland Men’s Earthkeepers Chillberg Premium WP 400g winter boot. Stay protected from winter’s harsh conditions with the boot’s full-grain, waterproof leather upper, durable waterproof membrane and warm 400g PrimaLoft insulation for luxurious comfort. With a shock-absorbing EVA midsole, the Chillberg Premium offers a rugged Green Rubber outsole for excellent traction control.