When the conditions are cold and high the Baruntse offers a hospitable climate to keep your feet warm and dry. Ideal for use on 6-7000 meter peaks or in harsh winter conditions where you don"t want to think about your feet. The thermo-formable inner boot sports the patented speed lacing system and couples with the highly insulated multi-layered PE outerboot for dependable warmth and a PU coating to keep moisture and cold outside and heat inside the boot.