Yeti Tension Comfort 800 Sleeping Bag M - royal blue/methyl blue - zipper L

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Description of Yeti Tension Comfort 800 Sleeping Bag M - royal blue/methyl blue - zipper L

The Tension Comfort 800 is the hottest option you can chose if you are looking for a sleeping bag designed to be extra roomy and generously spaced. The extra wide bag is made for any trip to the outdoors where the temperature will drop to freezing cold, and the two-way full length zipper is down covered to keep the hot air inside the bag where you can enjoy it. The adjustable contour hood gives the bag a good feel if you choose to sleep with your head inside it.

Features of the Yeti Tension Comfort 800 Sleeping Bag:

  • spacious shape for comfortable sleep
  • highly breathable shell fabric
  • 90/10 European down filling
  • H-Box construction
  • two-way ankle length zipper

Design Features

  • Contoured hood with adjustment
  • Inside pocket
  • Zipper baffle
  • Iso collar with adjustment
  • Hanging loops


Materials and construction

Crystal Down

Refinement of the plucked raw downs is done by a family business in Germany with the experience of four generations in dealing with feathering. Here the fluffs are washed with well water, then heated up to kill probable germs, finally sorted until there remains just a small proportion of tiny feathers. The larger they are, the more enormous the bulking power and the space for the isolating air cushion. The measures of a Crystal Down 900+ for example are two centimetres from the core to the outer end, and around four centimetres in diameter.


Soft nylon tissue, transports humidity to the outside within short time. Fast-drying, breathing. Used as inner and outer material.

H-Box construction

The H-box, H-chamber and Box Wall Construction is divided into different chambers with vertical side walls to keep the insulation in place and to avoid cold bridges. This ensures a uniform thickness of insulation all through the sleeping bag.
The filling of 90/10 european goose down reaches the Euro Standard 600+ cuin/US Standard: around 650 cuin.
The mixing ratio of down and feather proportion is stated in weight per cents, a waistcoat with a filling of 100 grams in a "90/10"-mixture contains 90 grams downs and ten grams little feathers (one down weighs approximately two thousand grams).

Still some words about care:
You will be able to enjoy your down sleeping bag the longest if you do not roll it for packing up, but stuff it - with open zipper to let the air escape. The small packing bag is determined for use on the way. At home, you should grant the down relaxation and keep it in the somewhat wider dunnage bag. And do not forget to air it before.

Material 100% polyamide

Contains non-textile parts of animal origin.

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Fact Sheet of Yeti Tension Comfort 800 Sleeping Bag M - royal blue/methyl blue - zipper L

Product Name: Yeti Tension Comfort 800 Sleeping Bag M - royal blue/methyl blue - zipper L
Manufacturer: Yeti
Item Code: YTI431758
Material: 100% polyamide

Contains non-textile parts of animal origin.
activity: Outdoor
gender: men
dimensions (l/w/h): 2050/900/550mm
recommended body height: 175cm
season: Winter
sleeping bag / pad version: Sleeping Bag
insulation: Down
sleeping bag shape: Egg Shaped
comfort temperature: -1°C
temperature limit: -6°C
extreme temperature: -23°C
fill weight: 735g
sleeping bag zipper: left
Model year: 2020
Season: Autumn/Winter
Color: Blue
weight: 1250g
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