Rab Ultrasphere 5 Sleep Mat

An ultralight insulated air sleeping mat for fast-and-light multi-day mountain use, aimed at users who want high warmth with minimal weight. It combines Rab’s TILT reflective layers with offset air‑chamber construction to maximise warmth-to-weight.

Benefits

• Two layers of TILT reflective film that reflect heat back to the body.
• Offset/offset air‑chamber construction traps heat within the mat structure.
• Tapered mummy shape that saves weight and pack volume while keeping comfort.
• Soft, exceptionally lightweight 20D fabric for low weight and comfortable contact.
• Two‑way valve, included inflation sack, roll‑away stuff sack and repair kit for quick setup and maintenance.

The Long Wide size (196 x 64 x 8 cm) provides 8 cm of insulation with an R‑value of 5.5 and a weight of approximately 470 g, making it suitable for multi‑day hiking, bikepacking and mountain running in cooler conditions where dependable thermal performance at low weight is required.