Rab/Mythic Ultra 180

The World’s First Heat-Reflective Sleeping Bag



Rab is a brand founded in 1981 by British climber Robert Carrington, producing highly reliable, high-quality items designed for extreme cold environments and alpine climbing worldwide. The company is especially renowned for its expertise and meticulous craftsmanship in down and synthetic insulation products, which are its roots.

The Mythic Ultra is a pioneering product that could be a game-changer for mountain marathon runners and high-end alpinists who require weight savings down to the gram. Made from ultra-lightweight 7D ripstop nylon, its interior features the world’s first heat-reflective technology called TILT (Thermo Ionic Lining Technology), in which the fibers are titanium-coated. This retains the user’s radiant heat inside the bag without compromising the breathability of the fabric. As a result, the amount of down needed to achieve a certain level of warmth can be reduced, achieving an astonishing warmth-to-weight ratio. The down used is 900+ fill power, fluorocarbon-free water-repellent down co-developed with NIKWAX, and is enclosed in a trapezoidal box construction that eliminates cold spots. Only ethically sourced, RDS (Responsible Down Standard) certified, fully traceable down is used.

You can also combine the Rab / Mythic Ultra 180 and Rab / Mythic Ultra 360 sleeping bags, or layer them with the Rab / Mythic G Down Jacket to adapt to various temperature ranges. Additionally, using the Rab / Hooded VB Liner helps prevent condensation inside the sleeping bag during severe winter conditions.


Wanderout Journal
Rab / Mythic Ultra System


Size: Approx. 215 x 70cm (hip width 52cm, foot width 41cm, height up to 185cm)
Pack size: approx. 32 x 16cm
Weight: 400g
Compatible temperature: Rab Sleep Limit 0°C (32°F)
EN (13537:2012) Temperature rating: 0°C (32°F)
Material: Outer material: 7 denier Pertex® Quantum ultra-light recycled nylon ripstop / Lining: 7 denier Pertex® Quantum ultra-light recycled nylon ripstop, TILT titanium coated / Down: 900 fill power RDS certified European duck down Nikwax fluorocarbon-free water repellent finish
Attachments: Storage bag, lightweight dry compression bag
Country of origin: United Kingdom



Product code 09965-33-256