Marmot 700 Fill Down Jacket Temperature Rating
700 Fill Down Jacket Temperature Rating Oraskill
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With the down weight and down to feather ratio being equal an 800 fill power jacket will be warmer than a 500 fill power jacket.
Marmot 700 fill down jacket temperature rating. Because unlike fill power parameter in down jackets there isn t a common denominator to compare different types of synthetic insulators in an analytical way. Higher quality down that has even larger clusters more loft and great insulation with low weight. An 800 fill power jacket will require less down than a 500 fill power jacket to provide the same warmth. Slightly lower fill power down i e.
Luxury down comforters will often have a fill power rating of 700 or above. That said of course an ultralight 800 fill power jacket may not be as warm as a 700 fill power jacket that contains more down. 650 700 fill power is sometimes used in high contact zones of some active garments. Comparing the temperature ratings of synthetic insulated jackets is more difficult.
A 900 fill power down jacket that has only 30g of down fill won t be warmer than a 450 fill power jacket with 100g of down fill. Clo value is the insulation power of an insulation setting. Very few jacket makers report fill weights though. Although the temperature rating system has its flaws there are still other numbers figures and facts to consider when looking for a great down jacket.
Of down will be warmer than a 800 fill power jacket with 5 oz. This will typically be goose down and may even be from hungarian white geese. Maybe except one parameter. Examples include the forearm shoulder and leg regions of climbing and expedition down jackets suits where it is able to resist compression better than higher fills.
Like most of the parkas in our collection it features 700 fill power and 13 ounces of white goose down. A jacket with 500 fill power and 10 oz. In theory 50g of 900 fill power down would be the same warmth as 100g of 450 fill power down. Similarly while synthetic insulation traditionally was not as lightweight compressible and durable as down the best modern synthetics including those reviewed below have a warmth to weight ratio and compressibility that compares with mid grade 700 fill.
Great for lightweight comforters that still offer a lot of heat retention.
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