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First Ascent Amplify 900 Down Sleeping Bag

3 left in Johannesburg


A hugely versatile bag which is designed for more extreme conditions. If expeditions such as Mt.Kenya, Kilimanjaro and Everest Base Camp are on your list, then this is the bag that will ensure warmth and comfort when needed most.


  • Deferentially cut (outer is cut bigger than the inner) for maximum loft
  • Draft collar to keep the cold air out
  • Elastic (Amplify) stitching to minimize heat loss around hips and knees on outside shell and full elastic inside of bag but gives you room when you need it
  • Internal pocket for valuables and batteries


  • Weight1.71 kg
  • Comfort Temperature Rating-3°C
  • Lower Limit Temperature Rating-15°C
  • Extreme Temperature Rating-20°C
  • Dimensions220 x 80/55
  • Packed Size22 x 39 cm
  • Down Ratio:92/8
  • Fill Power650

Temperature Rating

First Ascent Amplify Down 900 Sleeping Bag Temperature Rating

Based on a 'standard woman' having a comfortable nights sleep.
Based on a 'standard man' as the lowest temp. to have a comfortable nights sleep.
A survival rating for a 'standard woman'. This is an extreme survival rating only and it is not advisable for general use.
Ratings are based on a user wearing one long-underwear layer and a hat, and sleeping on a single 2.5 cm think foam pad.