Military‑Grade Extreme‑Cold Down Sleeping Bag

Trusted by professionals in extreme‑cold operations: military/law enforcement units, polar expedition teams, high‑altitude mountaineering groups, and winter fieldwork organizations.

Technical Features

Multi‑layer thermal system combining fill insulation, internal air layers, and boundary air zones—works with cold‑weather layering to provide clear Extreme/Limit/Comfort temperature ratings, ensuring survival capability in extreme conditions and comfort in daily cold while preventing hypothermia risk.

Engineered for ambient temperatures from −20°C to −40°C (−4°F to −40°F). Advanced thermal system helps maintain user comfort with internal microclimate above 21°C (70°F) under proper usage conditions.