The North Face - Arctic Pull On (Black/Black) - Men's: 2.0-2.2 mm. waterproof Nubuck leather upper. Double-adhesive latex seam-sealed construction. 200g. PrimaLoft insulation that's warmer for your feet, wet or dry. Gore elastic side panels. Dri-Lex fleece lining in the collar and tongue. AgION anti-microbial dual-density X-2 footbed. Anatomically engineered, injection-molded nylon shank insert. CM EVA midsole. TNF Winter Grip rubber outsole consists of a softer, tackier rubber compound designed specifically to provide ample traction in the wettest and slickest weather conditions. Comfort range: -25F/-32C.