Astro Series – premium down sleeping bags for alpine adventures

Astro and Astro Pro combine lightweight comfort, reliable warmth and responsibly sourced down for different mountain ambitions.

Whether on multi-day treks or demanding alpine expeditions, the Astro Series is built for restorative sleep in the mountains. Astro focuses on versatile lightweight comfort, while Astro Pro is engineered for colder temperatures and more demanding conditions.

Astro and Astro Pro are pioneers when it comes to sustainability: as bluesign® approved products, they meet strict standards for environmentally conscious and responsible production. The premium down used is fully certified according to the Responsible Down Standard (RDS) — for carefree sleep in every sense.

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Astro

300 +2C/36F, 300 EL +2C/36FL, 500 -2C/28F, 500 EL -2C/28F

For athletes and travellers where space is at a premium, looking for a warm, lightweight and compact sleeping bag.

Packability & Lightweight Performance

The Astro combines excellent warmth-to-weight performance with a compact pack size. Filled with premium 650+ cuin down, it delivers reliable insulation while packing down small in its lightweight compression stuff sack. H-chamber construction keeps the down evenly distributed to prevent cold spots, while the ergonomic mummy shape and contoured hood help retain body heat for lasting comfort on multi-day adventures.

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Astro 300 Series:

Jar, Pottery, Urn, Coat, Jacket
Astro 300 +2C/36F
Jar, Pottery, Urn, Clothing, Coat
Astro 300 EL +2C/36F
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Astro 500 Series:

Jar, Pottery
Astro 500 EL -2C/28F
Jar, Pottery
Astro 500 -2C/28F
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Astro Highlights

sleeping bag, down sleeping bag, hiking gear, puffer mummy, hooded bag

Mummy comfort shape

down jacket, hooded, puffer, blue, logo

Ergonomic contoured hood

down sleeping bag, puffer sleeping bag, mummy style, hooded, blue color

360° insulation & H-chamber-construction

sleeping bag, camping gear, drawstring, compression bag, dark blue

2-stage compression stuff & storage sack

insulated bag, sleeping bag, camping bottle, water bottle, deuter gear

Smart storage solutions for every stage of your adventure

A lightweight compression stuff sack keeps the Astro compact while travelling, making efficient packing easy. Back at home, the included storage sack provides the space the down needs to recover and retain its loft, ensuring lasting warmth and comfort for years to come.

Tested. Certified. Committed.

blue rectangle, logo, bluesign product, text, brand label

Certified according to one of the strictest standards for environmental protection, resource efficiency and consumer safety in the textile industry.

seal, certified, RDS, blue, round

We use only premium down certified to the Responsible Down Standard (RDS) to ensure responsible and sustainable sourcing.

logo, blue, circles, branding, certificate

The CO₂ emissions of a product are determined and then systematically reduced through targeted measures.

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As the first state-monitored label for sustainably produced textiles, the Green Button confirms compliance with all company-related criteria.

Care tips, storage and more

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Want to learn more about sleeping bags, the materials used, or how to properly care for and store them?

Our comprehensive guide helps you choose the right model based on temperature range, insulation, materials and your outdoor adventure needs. From down vs. synthetic insulation to fit, pack size and climate conditions — discover everything you need to know before your next night under the stars.

Read more

All sleeping bags at a glance

Down or synthetic fibre - all sleeping bags at a glance
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