RAB says about the Andes Infinium 800

The Andes Infinium 800 offers similar warmth to the Expedition range, a slimmer shape and a GORE-TEX INFINIUM™ WINDSTOPPER® outer. Maximising warmth-to-weight with reduced pack size and TILT technology, this bag is more efficient than ever before.GORE-TEX INFINIUM™ WINDSTOPPER® outer provides weather protection and high breathabilityTILT lining helps to reflect and reduce heat lossTrapezoidal boxwall construction with differential cut, to maximise loft and warmthLongitudinal chest and foot baffles with internal Flowgate technology to control down movementFace baffle and 3-dimensional neck collar to seal in warmthGORE-TEX INFINIUM™ lining in face and foot area for additional water resistanceYKK 3/4 length main zip with down filled baffle to trap warmthYKK zipped internal stash pocketAngled foot box for relaxed sleeping postureZipped storage sack with water-resistant base for home storage Roll-top waterproof stuffsack includedMummy shape