Phantom GTX, Long, -40C / -40F

A mission-critical piece designed for high-altitude expeditions and the most bone-chilling conditions on Earth, the Phantom™ GORE-TEX -40° is Mountain Hardwear's most protective sleeping bag yet. Take shelter from hardcore mountain conditions in its ultra-warm, weather-resistant cocoon. You won't want to leave, but with light and compressible materials that make it easy to move camp, you can get closer to your summit.