Whether you're on a high mountain expedition, backpacking around the globe or wild camping closer to home, a lightweight sleeping bag will cut unnecessary grams and help to keep you moving. Fully equipped and with a small packed size, our ultralight bags are ideal for fast-paced ascents, hut-to-hut summer trips, and expeditions where you need to stay warm but travel light.
Our range includes both hand-filled down bags and those with synthetic insulation. Rab down sleeping bags deliver an incredible warmth to weight ratio, keeping you comfortable in hostile environments. Our synthetic bags are robust, resilient, and highly packable, offering excellent performance in damp conditions. Filled with high quality insulation and utilising industry-leading technologies designed to retain body heat, both our down and synthetic sleeping bags will ensure a comfortable night’s sleep so you can restore energy reserves, ready for tomorrow’s challenges.
All our sleeping bags are built with clever design features, including innovative cuts to reduce bulk and improve efficiency, snug down draught collars to seal in the warmth, lightweight stuff sacks, and anti-snag zips for making life on the move easy. We use a range of lightweight and breathable fabrics, as well as water resistant materials that cope well with condensation. We’re also incorporating more and more recycled fabrics and insulation into our designs.
From trekking through far-flung corners of the world, to fast-paced alpine ascents in cold conditions, you’ll find the perfect lightweight sleeping bag for your next adventure in our range.
Lightweight sleeping bag FAQs.
How much does a lightweight sleeping bag weigh?
A lightweight sleeping bag typically weighs between 400g to 1.2kg (0.9 to 2.6 lbs), depending on insulation type and temperature rating. Ultralight models designed for fast and light missions can weigh as little as 300g (0.6 lbs), while warmer, three-season options may be slightly heavier.
What is the best lightweight sleeping bag?
The best lightweight sleeping bag depends on your needs. For maximum warmth with minimal weight, a high-fill down sleeping bag is ideal. If durability and moisture resistance are a priority, a synthetic lightweight sleeping bag offers reliability in varied conditions. Look at temperature ratings, packability, and insulation type to find the best option for you.
What is considered a lightweight sleeping bag?
A lightweight sleeping bag is generally any bag weighing under 1.2kg (2.6 lbs), designed to balance warmth, weight, and packability. These bags are built for fastpacking, alpinism, and multi-day hikes where minimising weight without sacrificing warmth is essential.
