Insulated jacket (down or synthetic) on Carstensz Pyramid
Also called: Down jacket with hood, Spare warm layer (carried in a dry bag), Summit jacket, Warm down parka + insulated bib trousers, Warm insulated jacket, Winter insulation layering (down or synthetic)
What it is for
A warm down or synthetic jacket for cold camps, rest stops and summit days. A synthetic one stays warmer when it gets wet; down is warmer for its weight.
What Carstensz Pyramid asks for
Standard
A hooded synthetic insulated jacket, medium weight, not an expedition parka; down only if you can keep it dry
What to look for
- Fill weight
- How many grams of insulation are inside. At the same fill power, more grams is warmer.
- Fill power
- How much space an ounce of down fills, in cubic inches: higher lofts more and is warmer for its weight. US and European tests give different numbers, so compare like with like.
Kinds
- Expedition Down Jackets
- Belay Jackets
- Synthetic Insulated Jackets
Other mountains
- Standard on: Everest, Aconcagua, Denali, Kilimanjaro, Elbrus, Vinson, Kosciuszko, Carstensz Pyramid
