RAB - Hypersphere 9.5

The Hypersphere 9.5 is the result of our 40 years of down mastery combining with the technologies we’ve honed for our lightweight sleep mat collection. This thick, ultra-warm down-filled sleep mat offers unmatched comfort and insulation for when you’re hunkering down at high altitudes or on expeditions to polar regions. With a hardwearing fabric and uncompromisingly comfortable design, it’s rugged, versatile, and adapts easily to remote and challenging environments.