Rab Mythic Sleeping Bags

The Rab Mythic Sleeping Bag range has been meticulously designed for alpinists, mountaineers and backpackers who move fast and light. When every gram counts, the Mythic Sleeping bag delivers exceptional warmth without compromising on functionality.

Each Mythic sleeping bag uses high-quality 900 fill power down European goose down, wrapped in ultralight 10-denier Pertex Quantum outer fabric. The unique L.O.F.T 3D™ construction combined with Rab’s heat-reflective TILT lining, these technologies provide exceptional warmth, compressibility, and comfort, even when conditions are unpredictable.

The Mythic Sleeping Bag range is a statement of what modern materials and intelligent design can achieve. The ultralight Pertex Quantum outer fabric allows the 900-fill power down to fully loft, whilst trapping still air to maximise the thermal performance. The fabric’s durable ripstop construction and water repellent finish provides additional dependability in harsh environments and long expeditions.

The tapered mummy shape reduces dead space, while Rab’s unique L.O.F.T 3D™ baffle construction prevents migration, ensuring even distribution of down and eliminating cold spots. Thoughtful details including an ergonomic hood and collar design to seal in warmth, draft tubes to minimise heat loss and a precision fit that allows natural movement during sleep, further enhance performance in the field.

Hydrophobic down, combined with water repellent Pertex Quantum fabric, helps resist moisture in damp environments. This keeps insulation performing at its best, ensuring consistent warmth when temperatures drop and condensation builds overnight.

Performance and sustainability are increasingly inseparable, and the Mythic range reflects Rab’s commitment to responsible innovation. Ethically sourced down, PFAS-free DWR, and durable recycled materials help extend product life while reducing environmental impact. By focusing on longevity, repairability, and responsible sourcing, Rab ensures that each sleeping bag supports both outdoor exploration and long-term care for the environments it is designed for.

Drawing on over 40 years of mountain experience, Rab has refined every element of the Mythic Sleeping Bag range. Multiple material technologies and construction techniques come together to reduce weight, maximise thermal efficiency, and deliver dependable comfort in challenging conditions. From high-altitude bivouacs to multi-day backpacking routes, these sleeping bags are designed to perform when it matters most — helping adventurers wake up ready for the next objective.

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