Thermal boots - The particularly comfortable version of the thermal winter boot has a water-repellent lower shoe equipped with a fluffy insole and soft footbed. The ergonomically shaped boot shaft also has an individually adjustable width adjustment and a durable, back zipper with Velcro closure. The outer material of the ergonomically shaped boot shaft is treated with special fabric protection. Material: upper: textile, lining and insole: textile, outsole: other material. Size 33/34