Aimed at the serious specialist; The X-Tuff Extreme raises the standards of sleeping bags to a new level. Thermally insulated with the most sophisticated 'hollow-fibre' filing, this ultra warm, sleeping bag is the only answer to plummeting temperatures & icy, cold weather conditions. Micro fleece lining for extra comfort & warmth Latest heat retaining 'hollow-fibre' insulation Essential during cold winter sessions Customised straps for secure bedchair attachment Highest quality throughout Instant warmth & sustained heat retention