Gear for your outdoor adventure

Sioux 400 II synthetic fibre sleeping bag

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Lightweight synthetic fill sleeping bag for hiking, trekking and travel
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Article number
45758
Weight in g
970
Type
Body-hugging mummy cut
minimal packing size in cm
24 x 20
Maximum packing size in cm
40 x 20
Temperature Comfort
11 °C
Temperature Limit
7 °C
Temperature Extreme
-5 °C
filling weight in gqm
380
Width in cm
80
foot width in cm
50
Length in cm
220
total weight in g
1050
minimum weight in g
970
  • body contoured mummy cut for optimal heat management
  • contoured hood
  • inner pocket for essentials
  • footbox
  • long side zip down to the foot section
  • double slide, dividable zip fastener for connecting
  • exceptionally soft and skin-friendly fabric with bluesign® standard
  • Sensofiber fill for best sleeping comfort and insulation
  • Compression stuff sack included
material overview
Main fabric: 100% Polyester (recycled); Lining: 100% Polyester (recycled); Filling: 100% Polyester (recycled)
Processing
Single layer
care instructions
do not bleach; do not dry clean; do not iron; machine wash 30°C gentle; tumble dry, low temperature
Gender
Unisex
Activity
Hiking, Trekking
season
All year, Spring / Autumn
Where from?
 
Green Shape
This product was manufactured in accordance with the Green Shape® Standard. more information
Grüner Knopf
This product bears the Green Button label. This means it meets high social and environmental standards. learn more watch video now

Technologies and Materials

1-layer construction – single-layer synthetic fiber filling
  • Breathable, durable, and easy to care for
  • Dries quickly and keeps you warm even when wet
  • Used in ultralight and summer sleeping bags
1-Layer Construction
Mummy - particularly heat-efficient mummy cut
  • Optimal thermal efficiency thanks to body-hugging cut
  • Lightweight and highly compressible
  • Suitable for challenging tours in all weather conditions
Mummy
Vegan product - no animal-based components
  • Use of exclusively synthetic and/or plant-based materials
  • Conscious avoidance of animal-derived components
  • Traces of animal-derived components cannot be completely ruled out in textile additives
Vegan
Recycled polyester from PET bottles
  • Recycled polyester
  • Made from collected and cleaned PET bottles
Recycled PET
Sensofiber Recycled
  • High-quality synthetic fiber insulation
  • Keeps you warm even when wet, dries quickly, and is easy to care for
  • Recycled polyester
Sensofiber Eco

Product description

  • 2-season (late spring to early fall)
  • form fitting mummy cut
Some people only use their sleeping bags in summer. That;s why we developed this bag: the single-layer synthetic fiber fill of the lightweight Sioux 400 sleeping bag cuts down on weight while still providing enough insulation for trekking and hut tours in moderate climates. At the same time, the synthetic fiber wicks moisture outward, insulates even when wet (unlike down) and dries quickly. The mummy shape and anatomic hood retain heat and provide a comfortable microclimate for a good night's sleep. Too warm? Just open up the two-way zip to let out the heat. The outer fabric is water- and dirt-repellent.

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Size charts VAUDE

You are not sure about your size? Here you can find the current size table for our Outdoor Collections.

Women's Tops

(Indicated sizes in cm) 

Size Chest Measurement Waist Measurement Hip Measurement
34 / XXS 80-83 66-68 89-92
36 / XS 84-87 69-71 93-96
38 / S 88-91 72-75 97-99
40 / M 92-95 76-79 100-102
42 / L 96-99 80-84 103-105
44 / XL 100-103 85-89 106-108
46 / XXL 104-109 90-96 109-113
48 / XXXL 110-115 97-102 114-118

Women's Bottoms Pants & Skirts

(Indicated sizes in cm) 

Size Waist Measurement Hip Measurement Inner leg
34 / XXS 66-68 89-92 77-81
36 / XS 69-71 93-96 77-81
38 / S 72-75 97-99 77-81
40 / M 76-79 100-102 77-81
42 / L 80-84 103-105 77-81
44 / XL 85-89 106-108 77-81
46 / XXL 90-96 109-113 77-81
48 / XXXL 97-102 114-118 77-81

Women's Short Sizes

Size Inner leg length
34 / XXS short 72-76
36 / XS short 72-76
38 / S short 72-76
40 / M short 72-76
42 / L short 72-76
44 / XL short 72-76
46 / XXL short 72-76
48 / XXXL short 72-76

Women's Long Sizes

Size Inner leg length
34 / XXS long 82-86
36 / XS long 82-86
38 / S long 82-86
40 / M long 82-86
42 / L long 82-86
44 / XL long 82-86
46 / XXL long 82-86
48 / XXXL long 82-86

Men's Tops

(Indicated sizes in cm)

Size Chest Measurement Waist Measurement Hip Measurement
44 / XXS 88-91 74-77 93-95
46 / XS 92-95 78-82 96-98
48 / S 96-99 83-87 99-101
50 / M 100-103 88-92 102-104
52 / L 104-107 93-97 105-107
54 / XL 108-111 98-101 108-111
56 / XXL 112-115 102-106 112-115
58 / XXXL 116-121 107-110 116-119
60 / XXXXL 122-127 111-115 120-123
62 / 5XL 128-133 115-120 124-127

Men's Bottoms

(Indicated sizes in cm)

Size Inner leg length Waist Measurement Hip Measurement
44 / XXS 79-82 74-77 93-95
46 / XS 79,5-82,5 78-82 96-98
48 / S 80-83 83-87 99-101
50 / M 80,5-83,5 88-92 102-104
52 / L 81-84 93-97 105-107
54 / XL 81,5-84,5 98-101 108-111
56 / XXL 82-85 102-106 112-115
58 / XXXL 82,5-85,5 107-110 116-119
60 / XXXXL 83-86 111-115 120-123
62 / 5XL 83,5-86,5 115-120 124-127

Short Sizes Men´s

Size Inner leg length
44 / XXS short 74-77
46 / XS short 74,5-77,5
48 / S short 75-78
50 / M short 75,5-78,5
52 / L short 76-79
54 / XL short 76,5-79,5
56 / XXL short 77-80
58 / XXXL short 77,5-80,5
60 / XXXXL short 78-81
62 / 5XL short 78,5-81,5

Long Sizes Men's

Size Inner leg length
44 / XXS long 84-87
46 / XS long 84,5-87,5
48 / S long 85-88
50 / M long 85,5-88,5
52 / L long 86-89
54 / XL long 86,5-89,5
56 / XXL long 87-90
58 / XXXL long 87,5-90,5
60 / XXXXL long 88-91
62 / 5XL long 88,5-91,5

Children's Apparel

(Indicated sizes in cm)

Size Inner leg length Chest Measurement Waist Measurement Hip Measurement
92 34-36 54 51 54-55
98 37-40 55 52 56-57
104 41-44 56-57 53 58-59
110/116 45-51 58-61 54-55 60-64
122/128 52-58 62-66 56-58 65-69
134/140 59-65 67-72 59-62 70-76
146/152 66-72 73-78 63-68 77-84
158/164 73-78 79-85 69-74 85-92
170/176 79-84 86-92 75-80 91-100

 

Size Height
S up til ca. 128 cm
M ca. 128 cm - 146 cm
L from ca. 152 cm

Accessoires

(indicated sizes in cm)

Gloves

*Hand circumference measured at widest part of the hand including knuckles, excluding thumb.

Women and Men Size Hand Circumference*
XS 6 17
S 7 19
M 8 22
L 9 24
XL 10 27
XXL 11 29
XXXL 12 31

 

Kids Size Hand Circumference*
XXS 2 13
XS 3 14
S 4 15
M 5 16
L 6 17

Headwear

Women and Men Head Circumference in cm
S 53-55
M 56-58
L 59-61

 

Kids Head Circumference in cm
S 50-52
M 53-55
L 56-58

Shoe covers, gaiters

Women and Men EUR shoe size Foot length in cm
S 36-39 22,4-24,7
M 40-43 25,6-27,6
L 44-46 28-29,7
XL 47-49 30,2-32

 

Arm warmers

Women and Men Upper arm circumference in cm
XS 26-27,5
S 28,29,5
M 30-31,5
L 32-33,5
XL 34-35,5

 

Leg warmers

Women and Men Circumference mid of upper leg in cm
XS 43-44,5
S 45-46,5
M 47-48,5
L 49-51,5
XL 52-53,5

 

Knee warmers

Women and Men Circumference above knee in cm
XS 37-38,5
S 39-40,5
M 41-42,5
L 43-45
XL 45,5-47

Bike Shoes

(online shop indicates EU sizes)

EU US (Men) US (Wo) UK Foot length in cm
36   5 3 22,1
37   6 4 22,5
38   7 5 23,3
39   7,5 5,5 23,8
40 7,5 8,5 6,5 24,6
41 8,5 9,5 7,5 25,5
42 9 10 8 26,0
43 10   9 26,7
44 10,5   9,5 27,2
45 11,5   10,5 28,0
46 12,5   11,5 28,9
47 13   12 29,3
48 14   13 30,1
49 14,5   13,5 30,9
50 15   14 31,7

 

Which backpack fits my back length?

It's easy to find out which VAUDE backpack fits your back length: simply measure yourself with a tape measure and compare your back length with our table.

Backpack sizes

Some of the backpacks' product names include size information. The designation "M" stands for medium, i.e. a medium size. This medium size is universally suitable and is perfect for most users. "L" stands for Large, i.e. a large size, "XL" for Extra Large, an extra large size. If no specific size information appears in the product name, it is usually a standard size. 

Size Height
Unisex: XL ca. 180 cm - 203 cm
Unisex: M/L ca. 162 cm - 185 cm
Women's Size ca. 155 cm - 178 cm

Bike bag sizes

Here you can see where the height, width and depth of VAUDE panniers are measured. Please note that the widest part of the article is always indicated or measured.

Luggage carrier bags, sideways

Luggage carrier bags, top

Handlebar bags

 

Saddlebags

 

Frame bags

Fork bags

Sleeping bag size information

The product names of some sleeping bags include size information. The designation "S" stands for small, i.e. a small size, while "XL" stands for extra large. If no specific size information such as "S" or "XL" appears in the product name, it is usually a standard size or "Regular". (Indicated sizes in cm)

Size Height
Regular 165-190
S 150-170
XL 185-205
Kids 105-135
Youth 130-165

 

Sleeping bag zip position

Zip  Info
left The zip is on the left, suitable for right-handed people
right The zip is on the right, suitable for left-handers

 

A few tips on choosing the right zip position: Right-handed people choose a sleeping bag with the zip on the left, as they can comfortably reach across the body to the zip with their right hand. Left-handed people choose a sleeping bag with a zip on the right so that they can easily reach the zip with their left hand. If you want to combine two sleeping bags, make sure you choose one with a zip on the right and one with a zip on the left. The choice of sleeping bag should also take into account the position of the tent entrance so that you can always get in and out comfortably.

How to measure correctly?

To ensure your VAUDE clothing fits perfectly, it is important to take your measurements correctly. Here's how:

  • Chest: Measure the circumference at the widest point of your chest – ideally while standing upright with your arms hanging loosely at your sides.
  • Waist: Measure the circumference at the narrowest point of your waist – usually just above the belly button.
  • Hips: Measure around your hips at the widest point of your buttocks.
  • Inseam: Measure straight down from the top of your inner thigh (crotch) to your ankle.
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