Mattress Rab Hypersphere 9.5 (Marmalade)

Insulating mattress for nights at altitude

Designed for extreme conditions, this thick down mattress offers exceptional insulation thanks to its R-Value of 9.5. Made from robust recycled polyester, it guarantees comfort and duRability, ideal for high-altitude expeditions. Its 10 cm thickness ensures a restful sleep even in the coldest environments.

Its lightweight, compact design makes it easy to carry, while the oversized outer chambers keep the user centered. With a low-profile valve system, inflation and deflation are simplified. A pump bag is included for fast, hygienic inflation, making this mattress a must-have for seasoned adventurers.

Benefits

• Optimal thermal insulation with an R-Value of 9.5.
• Enhanced comfort thanks to 10 cm thickness.
• Oversized outer chambers for better centering.
• Lightweight construction for excellent heat-to-weight ratio.
• Includes pump bag and repair kit for practical use.

Technical specifications

• Weight: 840g (29.6oz) for regular version.
• Dimensions: 183cm x 51cm x 8cm (Regular); 196cm x 64cm x 8cm (Long Large).
• Materials: 75D recycled polyester with TPU coating, 650FP European duck down.
• Thickness: 10 cm for optimum comfort.
• Two-way valve for easy inflation and deflation.