If you’re adventuring in areas where you need a sleeping bag with this type of temperature rating, you better make sure it’s as dependable as it’s warm. The -40-degree Inferno has you covered with its water-resistant Neovent Air fabric and 800-fill ProDown™ insulation, full draft collar and integrated draft overlap preventing heat loss, and trapezoidal side baffling.
Water-resistant Neovent Air fabric on hood, footbox, and back to protect moisture-prone areas
800-fill ProDown™ insulation
Generous cut allows user to wear more layers or to ‘maytag’ in the bag
Full draft collar and integrated draft overlap for comfort and to prevent heat loss