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The BEST Polish GOOSE DOWN with … the BEST Japanese PERTEX fabric
The Criterion Ultralight 200 is a lightweight down sleeping bag designed for minimalists, ultralight hikers and adventure racers.
With a comfort temperature rating of 3°C, this is a bag for the summer.
Its weight is a mere 620gms, so it will add hardly any weight to your rucksack.
It is made using a Pertex Quantum (52gms/m²) ripstop shell ( filled with 220g of 700 FP Polish Goose down.
Boxwall construction helps keep the weight down to a minimum.
A DWR treatment of the shell helps protect the down from any dampness that may occur in your tent, from condensation or wet gear. When in its stuff sack, the pack size is only 11 x 11 x 25cm
Colour: Black outer / Blue inner
Top Construction: Trapezoid
Fabric: Pertex Quantum Ripstop, 35g/m², Made in Japan by Mitsui Bussan Textile Co.
Insulation: Polish goose down, 92% down / 8% feather
Collected in accordance with Downpass ethical standards
Fill weight: 220g
Fill power: 700
Comfort temperature rating: 3°C
Criterion offer a single comfort temperature, which is the temperature limit at which they feel will allow the most comfortable night’s sleep.
Average weight of sleeping bag: 620g
Stuff sack size: 11 x 11 x 25cm, weight 14g
Maximum user height: 185cm
Length of bag: 217cm
Shoulder width: 75cm
Foot width: 50cm
Features:
Differential fill, 60% of the down is on the top, 40% on the bottom
Differential Cut, this is a manufacturing technique by which the outer surface of the top side of the sleeping bag is wider than lower (inside) surface.
This helps the down to expand outwards from the centrally located body position thus facilitating optimum lofting
Anti-snagging, full length insulated zip baffle
Full-length YKK two-way zip with zip together compatibility (even different models)
Cowl hood and 1 hand operated drawcord,
Inside pocket & hanging loops
Box foot - comfortable, trapezium shape, for all feet positions
Compact fully-featured stuff sack, specially designed for easy, one handed stuffing
Mesh storage bag
Criterion Range Temperature Rating
All of the Criterion models in the table below have been independently tested for warmth by Leeds University Performance Clothing Research Group
The results for all of the Criterion models were at least as good as stated – and were better in most cases
To get to their stated temperature ratings the sleeping bags have been tested, to British Standard BS 4745 and ISO 5087-1, by the University of Leeds’ Performance Clothing Research Group.
These tests gave both a TOG rating which you would be familiar with when buying a bed duvet as well as a specific temp in °C.
This is a starting point as laboratory tests are controlled environments, the mannequins do not move or sweat.
Through product testing, expeditions and tester feedback Criterion have refined the labratory ratings to the ones advertised for the sleeping bags.
In cases where they have changed the tested rating the temperature has been reduced to be more cautionary and safer.
| Sleeping Bag |
Test result after 24 hours (°C) |
Advertised Comfort Temperature (°C) |
| Quantum 200 |
0 |
0 |
| Quantum 350 |
-6 |
-6 |
| Quantum 450 |
-12 |
-10 |
| Ultralight 200 |
+3 |
+3 |
| Ultralight 350 |
-6 |
-3 |
| Traveller 500 |
-12 |
-7 |
| Traveller 650 |
-16 |
-12 |
| Traveller 750 |
-20 |
-16 |
| Prime 400 |
-11 |
-7 |
| Prime 550 |
-18 |
-12 |
| Prime 700 |
-22 |
-18 |