Manufacturer:

Hypersphere Ultra 7.5

The Rab Hypersphere Ultra 7.5 is an ultra-warm, ultralight down sleeping mat that has been built for fast-paced adventures in cold environments, from alpine climbs to arctic ultra races. Drawing on decades of expertise in down insulation, it combines 800FP down with ultralight 20D fabric to deliver exceptional warmth without excess weight. Designed for high-altitude expeditions and extreme conditions, it’s warm, packable and ready for any challenge.

The Rab Hypersphere Ultra 7.5 is a down-filled sleeping mat is designed for lightweight adventures in extreme cold. Featuring 800FP goose down and ultralight 20D recycled fabric, it delivers exceptional warmth without adding unnecessary weight. With an R-value of 7.3 and weighing just 610g, it’s built for high-altitude expeditions, arctic ultra races, and winter alpine climbs - providing superior insulation, packability, and comfort for fast-moving pursuits. Designed for maximum efficiency, the mat features oversized outer chambers for stability, a hybrid rectangular shape for versatile sleeping positions, and an 8cm thickness for optimal support. A low-profile two-way valve ensures quick inflation and deflation, while the included pump sack offers easy, hygienic setup. With a lightweight yet durable construction, this is the ultimate sleep mat for those pushing limits in cold environments.

Features:
Impressive warmth for weight, with an R-value of 7.3 and a weight of just 610g.
Oversized outer chambers help keep you centralised on the mat.
Filled with 800FP goose down, which works to trap heat by minimising convection currents within the mat.
Lightweight construction uses air and insulation for superb warmth-to-weight ratio and minimal pack size.
Exceptionally light and packable, with ultralight 20D recycled polyester fabric.
Hybrid rectangular shape allows various comfortable sleeping positions.
Uncompromised comfort and support, with a thickness of 8cm.
Pump sack included for rapid and hygienic inflation.
Roll-away stuff sack with repair kit included.
Equipped with a low-profile two-way valve for rapid inflation and deflation.

Specifications:
Weight: 610g / 21.5oz (Regular)
Insulation: 800FP European Goose Down with Nikwax Fluorocarbon-Free Hydrophobic Finish (190g / 6.7oz)
Main Fabric: Embossed 20D recycled polyester with 5.5S TPU coating
Secondary Fabric: 20D recycled polyester with 5.5S TPU coating

Dimensions:
Regular: 183cm x 51cm x 8cm
Regular Wide: 183cm x 64cm x 8cm
Long Wide: 196cm x 64cm x 8cm
R-value: 7.3

Packed Size:
Regular: 24cm x 14cm (9.4in x 5.5in)
Regular Wide: 28.5cm x 15cm (11.2in x 5.9in)
Long Wide: 28.5cm x 15cm (11.2in x 5.9in)

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