Tried and trusted by mountaineers everywhere, the Neutrino is a versatile down sleeping bag built to keep you warm, wherever you hunker down.
There are endless alpine landscapes waiting to be explored, and this is the sleeping bag to get you there. Offering outstanding warmth for weight with a robust, all-mountain design, it’s a versatile bag that easily adapts to a range of alpine pursuits, from long-distance treks to fast-moving spring ascents. We’ve strategically placed fabrics to give you maximum durability and loft where you need them, creating a hardwearing, hardworking bag that’s nonetheless super packable and lightweight. Filled with 800FP down in our groundbreaking L.O.F.T 3D™ baffle construction which eliminates cold spots, it provides the efficient warmth you need for technical pursuits on alpine terrain.
Hand-filled in the UK, all our down bags benefit from never having had their down compressed before use, preserving its loft and warmth.
