RAB says about the Neutrino 800 Regular
Delivering a high warmth to weight ratio and now built with recycled materials, the Neutrino 800 is lightweight in your pack and on the planet. Suited to cold weather and high altitude mountaineering, lightweight backpacking or bikepacking trips.Weight saving chevron baffle design, reduces down migration and optimises core warmth. Trapezoidal boxwall construction with differential cut, to maximise loft and warmthClose fitting adjustable neck baffle design for decreased heat lossYKK® 3/4 length main zip with down filled baffle to trap warmthYKK® zipped internal stash pocketAngled foot box for relaxed sleeping postureYKK Anti-snag zip insert and anti snag internal zip guardHand-filled in Derbyshire UKZipped storage sack with water-resistant base for home storage Waterproof roll-top compression sack includedTapered Mummy Shape