Spotlight Pick
Ionosphere 5.5 Sleep Pad
Balanced option for paddlers who want a high-confidence all-round setup with strong value retention.
Loading experience...
Product Breakdown
Stay warm and comfortable with the Rab Stratosphere 5.5 Sleep Pad. Durable polyester, Stratus R insulation, and pump sack for easy setup.
Deep Dive
The Rab Stratosphere 5.5 Sleep Pad is the ultimate all-mountain air pad designed to keep you warm and comfortable in even the coldest nights. Its unique Stratus R insulation technology ensures that you stay cozy and insulated from the cold ground.
Made with durable polyester construction, this sleep pad is built to withstand the rigors of outdoor adventures. It can handle daily wear and tear, making it perfect for long-term use.
The R-value of 5.5 means that this sleep pad is incredibly effective at retaining heat, making it suitable for those freezing nights in the wilderness.
Its rectangular shape provides exceptional comfort throughout the night, allowing you to get a good night's rest no matter where you are.
Setting up the Rab Stratosphere 5.5 Sleep Pad is a breeze, even in the dark, thanks to the included pump sack. It provides a quick and easy way to inflate the pad, ensuring that you can get settled in no time.
Specs
Responsible Collection Recycled/Repurposed Material [face fabric] 75D recycled polyester, internal TPU coating, fluorocarbon-free DWR treatment, [insulation] Stratus R (100% recycled polyester)
Style air pad
Shape rectangular
Thickness 3.15in
R-Value 5.5
Pump included pump sack, two-way valve
Stuff Sack included, roll-away
Dimensions [regular] 72 x 20.1in, [long wide] 77.2 x 25.2in
Claimed Weight [regular] 1lb 11.69oz, [long wide] 2lb 5.39oz
Activity camping, backpacking
Manufacturer Warranty limited lifetime
Alternatives
A curated comparison lane to quickly spot stronger options.
Spotlight Pick
Balanced option for paddlers who want a high-confidence all-round setup with strong value retention.
Read Next
A focused editorial path so readers can keep momentum after this review.
Deep dive first: this article expands the strategy, gear, and route decisions that complement the product you are viewing now.
Read featured guide