Summarised Technical Features

FOR DETAILED EXPLANATIONS PLEASE LINK TO Cumulus Sleeping Bag FEATURES

Down Quality :

• Cumulus Prime, Cumulus Expedition & Cumulus Quantum - 'diamond grade', white, super Polish goose down
• Cumulus Ultralight, Cumulus Lady & Mysterious Traveller - high quality, Polish 'grey' goose down

Fabric Type - Japanese Pertex Fabric :

• Cumulus Quantum models - Pertex Ripstop Quantum with DWR+ treatment, 35 gms/m2
• Cumulus Expedition models -
  outer shell plus critical sections of the inner (hood and feet) - Pertex Ripstop Endurance with DWR+ treatment plus a PU waterproof membrane, 52 gms/m2; main inner sections - Pertex Ripstop Microlight with DWR+ treatment, 52 gms/m2
• All other models - Pertex Ripstop Microlight with DWR+ treatment, 52 gms/m2

Colours :

• Cumulus Lady, Cumulus Prime & Mysterious Traveller - coloured outer (colours - see table below); black inner
• Cumulus Expedition -
  outer shell plus critical sections of the inner (hood and feet) - black; main inner sections - charcoal
  
• Cumulus Quantum - black or indigo outer (see table below); silver inner
• Cumulus Ultralight 350 - black outer; crimson inner
• Cumulus Ultralight 200 - black outer; electric blue inner
  all models - base colour is the same as the top

All models :

• full length YKK two-way zip and anti-snagging, insulated zip baffle
• choice of left or right sided zips
• zip together compatibility - can even mix different models
• one-handed drawcords, durable, metal-sprung toggles, and velcro fasteners
• cowl hood and trapezium shape box foot
• differential fill and differential cut
• inside pocket and hanging loops
• small fully-featured stuff sack
• mesh storage bag

User heights - Cumulus Lady, 175 cm (5'9"); Cumulus Quantum & Ultralight, 185 cm (6'1"); others, 190 cm (6'3").

The Expedition range and all Microlight models (except Cumulus Ultralight) have insulated neck baffles. Neck baffle drawcords are elasticated.
Quantum models have neck warmers (a simplified type of neck baffle).

Cumulus Lady models are shorter than the corresponding Mysterious Traveller models but contain the same amount of down, which has been redistributed to provide additional filling in the base and the feet area. There is a polar fleece insert in the foot area to provide extra warmth and comfort.

Most of our models have been independently tested for temperature performance - please see bottom of this page.

*Footnotes - please follow the links below

*CONSTRUCTION (in all models the base construction is boxwall)
Trapezoid
Boxwall
Brick (offset, double boxwall)
Base Construction

*DOWN
Fill Power (Loft) (Fill Power is the volume in cubic inches to which 30 gms of down will expand when it lofts)
Fill Volume (Fill volume is the volume to which the TOTAL of all the down in the sleeping bag will expand when lofted. The greater the FILL VOLUME, the warmer the sleeping bag - all other things being equal.

FOR DETAILED EXPLANATIONS PLEASE LINK TO Cumulus Sleeping Bag FEATURES

*TEMPERATURE
INDEPENDENT TEST RESULTS
(to British Standard BS4745 and ISO 5087-1)

All of the Cumulus models in the table below have been independently tested for warmth by Leeds University Performance Clothing Research Group. The results for all of our models were at least as good as stated above - and were better in most cases.