Part of the waterproof thermal series are the Blundstone #566 boots with a smooth black top material. They were developed to protect your feet from weather influences. The latex seams interlock with the treated upper material, while the water -repellent elastic bands seal the whole. Removable sheepskin insoles and the leather lining also ensure warm and dry feet and your comfort. This boots was developed to keep you active even in cold weather. Article number #566 Gender Unisex Color Black Ober Material Premium leather water-resistant fastening type Pull-on feed material leather & textile with thinsulate ™ insole insole sheepskin footbed series thermal series sole unit classic sole material TPU outer sole with PU mean and PASS shock protection system. are no longer, but the clamp is a little higher for the better introduction.