Waterproof PU-coated leather and textile upper Omni-Tech™ sheds water and releases excess heat with multi-layered breathable materials, so you stay dry and comfy in the rain Omni-Heat™ thermal-reflective breathable lining retains warmth using silver dots that reflect body heat, so your feet stay warm and comfortable as temps drop Lightweight 400g insulation for warmth in cold conditions Bungee lace closure system for quick and easy on and off One-piece injection molded TPR shell outsole for durability and grip Loop in back for pulling on boots Laces are not waterproof Uses: Ski / Snowsports