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Amplify 900 Synthetic Sleeping Bag

Item # FAS14

When space and weight are concerns, the Amplify 900 is the answer. Ideal for summer or spring backpacking and hiking with new Amplify (expand) technology in knee and hip area to minimize heat loss. This is a great three season sleeping bag up to 2°C. It also features a reflective zip puller and internal pocket for valuables.

Amplify 900 Synthetic Sleeping Bag

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FREE delivery on all orders over R500.

Performance Features

  • Lightweight design
    Only 975 g

    This lightweight sleeping bag is designed to be as light as possible without compromising on its insulating properties. Ideally suited to hiking and travelling during the summer and spring seasons where weight and comfort are of utmost importance.


    First Ascent Amplify 900 Sleeping Bag Temperature Rating

    The temperature at which a person will have a comfortable night's sleep.
    The lowest temperature at which a person might have a comfortable night's sleep.
    This is an extreme survival rating temperature only and it is not for general use.
    Ratings are based on a person wearing a baselayer and beanie while sleeping on 2.5 cm thick foam pad.
  • First Ascent Down

    Down is natures lightest and best form of insulation. Being a natural product, it is the best performing high loft insulation on the market. It is warmer, lighter and more compact than any other insulation and effectively traps body heat to keep you warm.


  • Elastic(Amplify) stitching to minimize heat loss around hips and knees but gives you room when you need it
  • 2-way zipper with draft baffle
  • Illuminate layer sandwiched between the inner lining and outer layers - a durable silver coated fabric that aids the bag to retain body heat
  • Insulated with Thermo-Shield
  • Internal pocket for valuables
  • Incredibly small pack size




Designed for

Camping, Hiking

Weight (kg)




Comfort temperature rating


Transition temperature rating


Extreme temperature rating



220 x 80/55

Packed size

28 x 18 cm





Fill Type

100g/m2 Thermo-Shield


Microtex Soft Touch Polyester

Zip type

Ykk pull zips

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Do you own this product? Let us know what do you think about it.

"Best sleeping bag for its price"

This bag has been by far one of my best purchases. As a regular participant in Mtb stage races like the Tankwa Trek 3 day race and Cape Pioneer 7 day race this bag is the key to a good nights sleep no matter what the weather. If you are looking for a light packable bag that gets the job done this is the bag for you ...

Gavin, 22 Jan 2019


I found this sleeping bag when I was looking for a small form factor, highly effective product. I'm quite impressed that it came with a compression sack too. I also own a First Ascent Comfort Light self-inflating sleeping mat, and these two work SO well as a unit. I quite like the fact that there are "bumpy" rubber strips on the bottom side of the sleeping bag, so when I'm sleeping on the mat and I roll around in the bag, the bag does not roll around as well. I am most impressed with the Amplify 900 - would highly recommend it.

Sandor Oroszi, 21 Aug 2018

"Love this bag"

Have used this on a few hikes in the berg now and really love this bag - lightweight and compact, it is perfect even when using a smaller 45l backpack and going fast and light! Takes up hardly any space at all. It's also incredibly warm for its weight.

Chris, 29 Apr 2018

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