Ultrasphere 1.5 Dark Pewter

Designed for weight-conscious adventurers, the brand’s Ultrasphere 1.5 Dark Pewter Bivouac mattress Rab pushes the boundaries of lightness and compactness.

Its ingenious design, featuring staggered air chambers, effectively traps heat, ensuring a comfortable night’s sleep even in cooler weather, without the bulk of traditional insulation. The soft , lightweightfabric, combined with a tapered Sarcophagus shape, optimizes space and weight, making this mattress the ideal companion for bike touring, backpacking trips and multi-day mountain hikes. With a thickness of 8 cm, it provides optimal support for a restful night’s sleep.

Practicality is at the heart of the design of theUltrasphere 1.5. Its discreet double-way valve allows for quick inflation and deflation, whilst the included inflation bag makes setting up camp easier and prevents moisture from getting into your mats. Just in case of any unexpected issues, a repair kit is integrated into the roll-up storage bag. The offset internal cut-outs not only reduce weight but also enhance thermal insulation, providing excellent R-Value de 1,3 protection during the spring and summer months. Once folded, this ultra-lightweight and ultra-compact mattress will take up hardly any space in your backpack, allowing you to focus on what really matters: the adventure.