Our Astro Pro professional down sleeping bag is perfect for alpinists, both in the tent and under the stars. The inner shell, which can be stretched by 25% in width, fits perfectly around the sleeper. It offers plenty of space and at the same time keeps the warmth in the sleeping bag. The sensitive area of the feet is optimally insulated by the three-dimensional foot box and the ergonomic cut ensures pleasant foot freedom. All models of the Astro Pro series are a bluesign® product and are also made of certified down (RDS).

Your optimal companion for

Camping / Backpacking (3 of 5) Trekking (4 of 5) Multi-day tour (5 of 5) Tours (5 of 5)

Features

• 2-way zipper
• Thermo Stretch Comfort seams inside
• ThermoHood contoured hood
• Inner pocket for valuables
• PowerBox
• Dryzone: water-repellent material on the head and foot areas
• Insulating collar
• Trapezoidal chamber design prevents the formation of cold spots
• - Contrasting drawcord toggles for easy hood adjustment in the dark
• Storage bag
• Anti-snag zipper guard
• SL Sleeping Bag
• Lightweight, side-copying compression stuff sack
• ErgoFootPro: extra space in 3D ergonomic footbox
• Green Button certified product
• bluesign® product
• PFAS free
• Certified Animal Welfare

Details

Suitability: Three Seasons +2° C Comfort THE COMFORT TEMPERATURE is based on the lowest temperature at which an ‘average’ woman (25 yrs. / 60 kg / 160 cm) can expect to sleep comfortably in a relaxed position. This range ensures a comfortable sleep, also for inexperienced users. -4° C Limit THE LIMIT TEMPERATURE is based on the lowest temperature at which an ‘average’ adult male (25 yrs. / 70 kg / 173 cm) can expect to sleep comfortably in a relaxed position. An experienced user can optimise the insulation qualities by his choice of clothing and further factors. -21° C Extreme THE EXTREME TEMPERATURE is a survival only rating for an ‘average’ adult woman. They won"t be able to sleep, but they will reamain alive for six hours without the risk of death by hypothermia. Nevertheless there will still be a risk of other damages (such as frostbite). tested according to ISO EN 23537

Top features of the Astro Pro 400 SL

Roomy and warm Sustainable Compact stuff sack Warm and cozy with the 360° fill system

Roomy and warm

The lining stretches up to 25% widthwise, hugging the shape of your body. It gives this bag a spacious feel while trapping warmth inside the bag. A three-dimensional, ergonomic footbox provides superior insulation in the sensitive area around the feet, with plenty of room to move around.

Sustainable

SUSTAINABLE: The lightweight Astro Pro down sleeping bag is a bluesign^® product, manufactured to strict environmental and social standards, with minimal impact on people or planet – so you can enjoy a good night’s sleep with a clear conscience. We only use down that carries the Responsible Down Standard (RDS).

Compact stuff sack

The lightweight compression stuff sack with new lateral compression means the bag packs down small to stow inside a pack. However, we recommend storing your sleeping bag loose in the mesh storage sack.

Warm and cozy with the 360° fill system

WARM AND COZY: Our 360° fill system with the same amount of fill and same construction top and bottom means we can guarantee the temperature rating of our sleeping bags in all sleeping positions – and you can say goodbye to a cold back.

SL Sleeping Bag

The right size and shape ensure that no unnecessary air has to be warmed up. deuter’s REGular models are ideal for people up to about 185 cm height. The larger, similarly equipped L versions are for people up to about 200 cm tall.

The shorter cut SL Women"s Fit versions are narrower at the chest and foot area and have a higher down filling (in relation to the sleeping bag size). They are particularly suitable for women up to 175 cm tall.

Green Button certified product

The is a government-run certification label for sustainable textiles. Everyone who aims to purchase socially and environmentally sustainable clothes should look out for the Green Button. There is currently no other label like the Green Button. It demands that mandatory standards are met to protect people and the environment. A total of 46 stringent social and environmental criteria must be met, covering a wide spectrum from wastewater to forced labour.

bluesign® product

Consumer products that carry the bluesign® product label conform to the strict safety and environmental requirements of the system criteria. The textiles and accessories used to manufacture the products with the bluesign® approved label are produced in a way that saves valuable resources and has a minimum impact on people and the environment.

PFAS free

This deuter product is free of intentionally used PFAS (per- & polyfluorinated chemicals). deuter thus reduces the use of substances, that are known to harm the environment and health.

For Outdoor products PFAS are mainly used for water repellant treatments.

Instead, deuter uses since 2019 alternative DWR (Durable Water Repellency) impregnation.

Certified Animal Welfare

• No live plucking
• No force feeding
• Traceability in the supply chain
• Checks made by independent certification institutions worldwide
• Animal welfare guaranteed at all levels

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