The Kamik Alborg is a classic winter boot for men that not only keeps your feet warm, but also dry. Sealed seams:This technology makes boots waterproof and snowproof without increasing the weight. By working the leather and nylon c and then covering the seams with waterproof tape and sealant, Kamik makes your feet feel like they're in a cocoon. Safe and dry.Zylex:Kamik's patented Zylex technology is the modern innovation for good heat-moisture management. The revolutionary three-layer design transports sweat away from the feet. At the same time, body heat stays inside and the cold stays outside. Additional reinforced seams and heel protection ensure durability. Easily removable for washing and drying. The Kamik 6mm Zylex liner.