Rab Ionosphere 5 Sleeping Mat

Designed for alpine missions where weight is critical, the Ionosphere 5 sleeping mat offers an ultra-light and compact solution, without compromising on essential warmth and comfort. Beneath its minimal bulk lies a host of technical features, including TILT reflective technology to reduce radiant heat loss and Stratus™ R insulation that traps air, limiting heat escape through convection. These features ensure that even in plunging temperatures, the user can rest well and recover fully for the next day's challenge.

Features

• Stratus™ R insulation effectively traps air, minimising heat loss caused by convective currents
• Integrated TILT reflective film helps prevent radiant heat from escaping the mat
• R-value of 4.8, offering reliable insulation for cold conditions
• 8 cm thickness for comfort without excessive bulk
• Lightweight design balances air and insulation for excellent warmth without a heavy pack burden
• Oversized outer chambers help keep the sleeper centred through the night
• Graduated grip print on the upper surface helps prevent the sleeping bag from sliding around
• Tapered mummy profile reduces unnecessary weight while maintaining insulation
• Low-profile two-way valve for quick and efficient inflation and deflation
• Pump sack included for rapid, hygienic inflation
• Roll-away stuff sack with repair kit included

Specifications

Sustainability Features

• Fluorocarbon (PFAS) free fabric
• Fluorocarbon (PFAS) free product
• Made with renewable energy
• 56% recycled content overall, including 100% recycled insulation and 100% recycled base fabric

Technology

TILT (Thermo Ionic Lining Technology)

This innovative heat-retention technology functions similarly to an emergency blanket by reflecting body heat back towards the wearer while still allowing for breathability and comfort. By enhancing thermal efficiency, it provides essential warmth when temperatures drop significantly.

Stratus™ R

This durable synthetic insulation is crafted entirely from 100% recycled post-consumer materials. Engineered to trap an optimal volume of air, Stratus™ R offers impressive warmth-to-weight performance. It continues to insulate effectively even when damp and is quick to dry, making it a reliable choice for variable conditions.

Rab's fluorocarbon-free fabrics are completely free of fluorocarbons (PFAS), whether in the face fabric, membrane, or backer. PFAS-free means all intentionally added PFAS have been phased out, compliant with current EU and US legislation.

Video