Neutrino -6C/20F Sleeping Bag

The definitive three-season sanctuary for fast-paced alpine missions.

The Rab Neutrino -6C/20F Sleeping Bag is the ultimate versatile refuge for alpine climbers and backpackers moving fast through unpredictable three-season conditions. Designed to offer crucial overnight warmth without bogging down your pack, it features highly compressible, premium down that lofts up instantly after a long day on the glacier. Its weather-resistant shell expertly handles damp tent condensation and brisk alpine air, ensuring your insulation stays completely effective when the temperature drops at camp. From summer summits in the Cascades to crisp shoulder-season bivies, it strikes the perfect balance of packability, weight, and uncompromising mountain comfort.