Our waterproof duck boots are an equal blend of functionality and fashion. We designed them with a waterproof rubber shell and 200-gram Thermolite® insulation to keep your feet warm and dry no matter where you fly. Then we took it a step further and lined them flannel for an extra dose of coziness. Finally, to make them super easy to get on and take off we added dual elastic gores and dual pull tabs, too. Definitely duck boot 2.0.