Gear for your outdoor adventure

Bike Alpin 23+5 liters mountain bike backpack

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Spacious mountain bike backpack for multi-day tours and alpine crossings
review
Article number
47281
Weight in g
1310
Volume in l
28
Type
Aeroflex 3D 2.0
Height in cm
47
Width in cm
31
Depth in cm
47
Load range
3 - 8
Back length in cm
43 - 59
minimum weight in g
1310
Rain cover
included, with safety light attachment
  • reflective elements
  • safety light attachment
  • Velcro strap for securing a charging cable in the bottom compartment
  • side zip pocket for minipump
  • sternum strap with tube holder clip
  • main compartment with several divisions
  • volume extension
  • tool compartment
  • side mesh pockets
  • floor compartment
  • side compression straps
  • map pocket
  • key holder
  • opening for hydration system
  • padded hip belt with pocket
  • zip pocket in the lid
  • helmet holder
material overview
Main fabric: Face 100% Polyamide (recycled), Coating 100% PolyurethaneLining: Face 100% Polyamide, Coating 100% PolyurethaneRain cover: Face 100% Polyamide (recycled), Coating 100% PolyurethaneSecond fabric: Face 100% Polyester (recycled), Coating 100% Polyurethane
Processing
stitched
Gender
Unisex
Activity
Cycling tour, Mountain bike
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

Shifting Back Length – back length can be continuously adjusted
  • continuous adjustment to your torso length
  • optimized for an exceptionally comfortable fit
  • highest freedom of movement thanks to modified width
Shifting Back Length
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
NoPFAS finish – water and dirt repellent treatment
  • Water and dirt repellent finish on the outer fabric
  • No fluorocarbons, so-called PFAS/PFC chemicals
Eco Finish
Recycled polyester from PET bottles
  • Recycled polyester
  • Made from collected and cleaned PET bottles
Recycled PET
Recycled polyamide
  • recycled polyamide
  • for example, from old fishing nets or carpets
Recycled PA

Product description

  • comfortable, ventilated mesh back
  • well-designed compartment layout, including hydration bladder compartment
The Bike Alpin 23+5 Liter Cycling Backpack is the ultimate companion for Alpine crossings or adventurous multi-day tours! This mountain biking backpack boasts a comprehensive array of features: The highly ventilated Aeroflex 3D suspension system excels, especially during strenuous uphills. The Shifting Back Length allows for seamless adjustment of the back length. The comfortably padded hip belt and sternum strap with hydration tube holder ensure a secure fit in any riding position. The spacious main compartment with a separate hydration bladder compartment is horizontally dividable for organization. The generous bottom compartment accommodates a sleeping bag or spare shoes. When needed, the volume of the mountain biking backpack can be expanded by five liters via a zip. Dual side compression straps ensure that the contents are always securely stowed without any bouncing. The elastic mesh pocket on the front can store knee pads, a wind jacket or rain gear. The large front pocket is divided into a tool compartment with a document or map pocket. The side elastic mesh pockets hold water bottles, energy bars, or tissues. Even while riding, access to the phone pocket on the right hip fin is available. A helmet holder, reflective elements on the front and shoulder straps, a sunglasses holder, a safety light holder, and the integrated rain cover in the bottom complete the extensive features. 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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