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 breathability. TILT lining helps to reflect and reduce heat loss. Trapezoidal boxwall construction with differential cut, to maximise loft and warmth. Longitudinal chest and foot baffles with internal Flowgate technology to control down movement. Face baffle and 3-dimensional neck collar to seal in warmth. GORE-TEX INFINIUM™ lining in face and foot area for additional water resistance. YKK 3/4 length main zip with down filled baffle to trap warmth. YKK zipped internal stash pocket. Angled foot box for relaxed sleeping posture. Zipped storage sack with water-resistant base for home storage . Roll-top waterproof stuffsack included Mummy shape