KWAK Closed Mummy Sleeping Bag Winter Ropucha

Code: P170/M P185/CE Choose variant
€607 €672 from €607 €501,65 excl. VAT €555,37 excl. VAT from €501,65 excl. VAT
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- 29.4.2024 Choose variant

The European brand KWAK is known worldwide for technological excellence of its products and the use of advanced nanomaterials. The KWAK brand is mainly known among athletes who embark on expeditions to extreme temperature conditions, but in recent years it has expanded its range and brought great sleeping bags for passionate mountain climbers. KWAK Closed Mummy Sleeping Bag Winter is extremely comfortable, precision made and uses European nanomaterials. It is suitable for passionate mountaineers and recreational mountaineers and camping especially in the winter.

  • High quality goose feathers from South Bohemia, sewn in the European
  • Suitable for forest, camping, water, mountains
  • Z-shaped construction of the down chambers guaranteeing the best thermal resistance and sleeping comfort
  • nanotechnology NANO nylon Ultra RipStop Shell 58 g/m2
  • Vapor permeability Ret 3 Pa.m2.W-1 MVTR 40 000 g/m2/24 hod
  • Extreme Water Resistance 12 000 mm / 1 d/m2
  • Breathability – Windproofness 99,3 % - 0.129 mm.s-1 0.025 cfm
  • Hydrophobic And Oleophobic Surface Treatment DWR C6 highest grade - water lotus effect, Fluorokarbon (PFC-free)
  • Comfortable for women up to -5 °C, for men up to -12 °C

Detailed information

Výhoda 1
The largest seller of nano products
More than 400 nanotechnology products under one roof.
Výhoda 2
Czech production
We manufacture nanoSPACE brand products in the Czech Republic

Product detailed description

The design of the down chambers is "Z" shaped, which guarantees the best thermal resistance and comfort when sleeping. An anatomically shaped hood protects the head and face from the cold. 3D or 2D collar separates the head compartment from the body compartment. KWAK self-fasteners allow for one or two-handed adjustment of the collar and hood circumference. A reversible zipper allows the sleeping bag to be unzipped from the top and bottom (opening for leg ventilation). A special textile strip, which supports the zipper, prevents the zipper from getting stuck in the fabric and a covering inner flap prevents heat from escaping through the zipper. The entire inner flap is filled with goose down. The two or three chamber 3D bottom increases thermal comfort in the leg area and reduces the risk of frostbite.

KWAK sleeping bags are filled with European goose down feathers 90/10 850 cuin (filling), which are excellent for their thermal insulation properties and are able to trap air molecules. When you climb into your KWAK sleeping bag, the air cushion starts to warm from your body heat, which you radiate to the surroundings.

Inside the KWAK sleeping bag there is a small pocket for small things, which is with Velcro or nylon zipper. Thanks to this pocket, you can sleep while keeping important things like documents, mobile phone or medication inside the sleeping bag.

Each KWAK sleeping bag is supplied with a storage packing (PU mesh) and compression packing (urenzid, four drawstring straps). The compression sleeve serves to reduce the volume of the sleeping bag by up to 80% and thus facilitates its transportation. At the same time it protects the sleeping bag from damage and dirt. However, each such compression wears out the insulating filling, and therefore the compression sleeve should only be used for the necessary length of time. After each trip, it is advisable to store the sleeping bag in an uncompressed state, for example in our storage pack or loose in the wardrobe.

Inner Material

The inner material of the KWAK sleeping bag is ultra-lightweight NYLON KWAK 20D Ultra Light RipStop Shell 38 g/m2. It is very comfortable and soft to the touch. The inner fabric is breathable so you won't sweat. The inner fabric has a safety and strength protection called RipStop.

Outer Material

KWAK sleeping bag outer material with NANO nylon Ultra RipStop Shell 58 g/m2. Nanotechnology has great technical parameters, see below. The outer fabric has a safety and strength protection called RipStop. The advantages of ripstop fabrics are a very good weight to stability ratio and high tear strength. Thicker warp or weft threads are woven into the thin fabric at 5-10 mm intervals.

Nanofiber Membrane

The nanofibre membrane is made of 100% PU and the diameter of the nanofibres is 150 nm. Due to this structure, the nanofibre membrane has 25% more pores than other porous membranes and is suitable for physical activities. The PTFE microporous membrane has been developed for windproof applications.

It is 100% windproof and consists of several thin layers. The non-porous membrane (hydrophilic) is made of flexible PU. It has a low surface weight, which gives it a high vapour permeability of Ret 3 Pa.m2.W-1 (40 000 g/m2/24h). The water column height is 12 000 mm. The breathability is 0.129 mm.s-1 0.025 cfm. The upper part of the material is protected with a DWR - Flourkarbon C6 (PFC-free) hydrophobic treatment with lotus effect - despite constant exposure to dust, dirt, rain and other elements, the lotus flower leaves remain clean and dry. Scientists have used nanotechnology to mimic this effect, creating a surface that is waterproof and has self-cleaning properties.

Comfortable sleeping, sweet dreams and happy waking will be ensured by our KWAK sleeping bag. The best materials have been used to develop this model to ensure high durability, comfort and great thermal comfort when sleeping. It is a pleasantly warm and cleverly designed sleeping bag suitable even for difficult climatic conditions. Be sure to pack the KWAK sleeping bag on your expedition, which will give you a comfortable and warm shelter even in relatively low temperatures and in up to four seasons ( spring / summer / autumn / winter ).

 

TUL membrana spacáky

Care and Maintenance

For proper function and longevity of the product, the following principles must be observed

Before use, tap the KWAK product so that the filling can be evenly distributed in the chambers. Do not leave the KWAK in the compressed state longer than strictly necessary. After use, ventilate the KWAK and allow to dry. If possible, hang it or place it loosely in a dry place. Do not use chemicals. Always use special liquid detergents designed for feathers, such as our recommended nikwax detergent, which is not aggressive to feathers (it does not disturb their structure, washes out well when soaking and does not crystallise in the fine folds of the filling). Machine wash at 30°c with three tennis shoes. Use the delicate wash programme or the sportswear programme. Squeeze multiple times. The first time on 400 rpm and then max. At 600 revolutions. Repeat spinning as necessary. KWAK product must be tumble dried with three dryer balls. The temperature of the hot air must not exceed 50°C. After the first drying, it is possible that the feathers will not be evenly distributed and it will be necessary to pat the feathers evenly and repeat the drying process. It is possible to put scented dryer sheets in the dryer drum.


Manufacturer's note

Drying at home on the heater or outside in the sun is not recommended. It is best to hang the sleeping bag somewhere inside and let it dry naturally. Using washing machine for cleaning the sleeping bag might reduce it's functionality. Wash with caution and do not use tumble dryer.

Technical Parameters

170 cm 185 cm
For women
men
women
men
Your height 170 cm 185 cm 
Cut closed mummy closed mummy
Season winter
winter

Zipper locations left left 
External zipper cover Yes Yes
Internal zipper cover Yes Yes
Pockets 1 1
Connectivity option No No
Inside pocket Yes Yes
Insulation type goose down feathers goose down feathers
Feather ratio

 

95/5

95/5
Filling

 850 cuin

850 cuin
Filling ratio front 55% / 45% back  front 55% / 45% back 
Filling weight 850 g 950 g
Total weight 1380 g 1495 g
Packaging weight 130 g compression
150 g storage
130 g compression
150 g storage
Sleeping bag weight 180 cm 200 cm
Shoulder width 80 cm 85 cm
Legs width 35 cm 35 cm
Outer material NANO nylon Ultra RipStop Shell (58g/m2), DWR C6 (water, oil) NANO nylon Ultra RipStop Shell (58g/m2), DWR C6 (water, oil)
Inner material NYLON KWAK 20D Ultra Light RipStop Shell (38g/m2), DownProof NYLON KWAK 20D Ultra Light RipStop Shell (38g/m2), DownProof
Chambers  "H" shape
 "Z" shape
 "H" shape
 "Z" shape
Outer fabric with applied nanotechnology Vapour permeability - Ret 3 Pa.m2.W-1 (MVTR 40 000 g/m2/24h)
Finish - Hydrophobic and oleophobic DWR C6 top grade - lotus effect water, oil, fluorocarbon (PFC-free)
Breathability - 99.3% windproof - 0.129 mm.s-1 0.025 cfm
Water column height - 12,000 mm / 1 dm2
Vapour permeability - Ret 3 Pa.m2.W-1 (MVTR 40 000 g/m2/24h)
Finish - Hydrophobic and oleophobic DWR C6 top grade - lotus effect water, oil, fluorocarbon (PFC-free)
Breathability - 99.3% windproof - 0.129 mm.s-1 0.025 cfm
Water column height - 12,000 mm / 1 dm2
Inner fabric DownProof DownProof
Comfort temperature ( -- °C / -- °F ) EN ISO 23537-1
( -17 °C / 1 °F ) Feel

( -- °C / -- °F ) EN ISO 23537-1
( -17 °C / 1 °F ) Feel

Limit temperature

 

( -- °C / -- °F ) EN ISO 23537-1
( -21 °C / -6 °F ) Feel

( -- °C / -- °F ) EN ISO 23537-1
( -21 °C / -6 °F ) Feel
Extreme temperature

 

( -- °C / -- °F ) EN ISO 23537-1
( -48 °C / -55 °F ) Feel

( -- °C / -- °F ) EN ISO 23537-1
( -48 °C / -55 °F ) Feel
Storage bag Included in the package Included in the package
Compressible bag Included in the package Included in the package
Warranty 5 years 5 years
Brand OutdoorKWAK OutdoorKWAK
Thermal pad pocket Yes Yes
Thermal pad Yes Yes

 

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The Czech brand KWAK is known worldwide for the technological excellence of its products and the use of advanced nanomaterials. It has been operating on the market for 50 years. Today, the KWAK brand is known primarily among athletes who embark on expeditions in extreme temperature conditions, but in recent years it has expanded its range and also brings insulation for hammocks.

Outdoor Kwak offers these sleeping bags

 Outdoor Kwak also offers insulation for hammocks

  • Summer insulation only from the neck down to the hips
  • Winterfull-body insulation

Read how to choose a sleeping bag here.