Maybe you will not be going to the Arctic any time soon but the Arctic Sport II Tall boots from Muck Boot have a comfort range of -40 degrees to 4 degrees Celsius and will definitely keep you warm throughout the cold season. Providing comfort, protection and durability, these Arctic Sport II Tall wellies are the best you can get this side of the Arctic. 100% waterproof rubber and 5mm CR flex-foam upper. New angled topline for a more comfortable fit around the calf. Soft fleece lining for heat retention. Removable, textile lined, contoured insole for cushioning. EVA moulded midsole for cushioning and support. Durable and shock-resistant rubber sole with aggressive treading.