Rab Hypersphere Ultra 7.5 Down Sleep Mat (610g)

Drawing upon decades of expertise in crafting high-performance down jackets and sleeping bags, the team has developed the ultimate down-insulated sleeping mat for lightweight adventures in cold and challenging conditions. Engineered with 800 fill power down and a featherlight 20D fabric, it delivers remarkable warmth without the burden of excess weight. Whether facing the unforgiving demands of an arctic ultra race or navigating high-altitude ascents with rope and crampons, this down air mat is the go-to companion for those pursuing speed and efficiency in extreme environments.

Features

• It offers outstanding warmth-to-weight performance, with an impressive R-value of 7.3 and a total weight of only 610g.
• The oversized outer chambers are designed to help keep the sleeper comfortably positioned at the centre of the mat.
• Insulated with premium 800 fill power goose down, the mat effectively retains heat by reducing internal convection.
• The lightweight build combines air and insulation, achieving a superior warmth-to-weight ratio while keeping pack size to a minimum.
• Crafted from ultralight 20D recycled polyester fabric, it is both highly compressible and easy to carry.
• Its hybrid rectangular shape supports multiple comfortable sleeping positions for versatile rest.
• The mat provides excellent support and cushioning, thanks to its generous 8cm thickness.
• A pump sack is included, allowing for quick and hygienic inflation in the field.
• The roll-away stuff sack includes a repair kit for added reliability on remote trips.
• A low-profile two-way valve enables fast, hassle-free inflation and deflation.
  
  

Sustainability Features

• Fluorocarbon (PFAS) free fabric
• Fluorocarbon (PFAS) free product
• Made with renewable energy
  
  

Specifications

Video