The North Face Chilkat 2 is a highly versatile, all-purpose, cold-weather boot with PrimaLoft Eco insulation for warmth in up to -25 F conditions. It's made with a waterproof leather upper and a Dri-Lex fleece collar and tongue for ultimate warmth. Below the high-tech upper is a compression-molded EVA midsole that delivers maximum underfoot cushioning and a Winter Grip rubber outsole for traction on icy surfaces. Wt. 24.9 oz.