RISE TO THE TOP Able to handle freezing conditions, this boot offers extreme thermal protection, lightweight design, and superior quality that is often imitated yet never equaled. INSULATION: Removable 9 mm recycled felt inner boot with omni-heat® reflective lining. MIDSOLE: 2.5 mm bonded felt frost plug. Molded EVA midsole for enhanced comfort, weight reduction and thermal protection. FOOTBED: 9 mm felt footbed. OUTSOLE: Polar Lite shell for enhanced flexibility in. extreme temperatures. Multi-directional rubber lug outsole. UPPER: Waterproof PU backed synthetic textile. Built in. gaiter with barrell lock closure system. Shatter-resistant YKK Shokonloc buckle closure. Reflective safety graphics. Seam sealed waterproof construction. HEEL HEIGHT: 1 in. PLATFORM HEIGHT: 1/2 in. BOOT SHAFT HEIGHT: 12 3/4 in. BOOT SHAFT CIRCUMFRENCE: N/A Measurements based on size 9. Uses: Light Rain, Heavy Rain, Light Snow, Heavy Snow Imported