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Osprey Packs Viper 13 Hydration Pack - 793cu in

$109.95

Item # OSP005M

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Item # OSP005M

For hard ascents and fun descents.

Push your downhill bike to the top of mountains with your helmet, hydration reservoir, pump, and more in Osprey's Viper 13 Hydration Pack. Its included Hydraulics LT 2.5L reservoir gives you much-needed water without stopping the ascent, and the LidLock system secures your helmet so it doesn't tumble down the hill once you reach the top. Osprey made this pack with well-ventilated Airscape and BioStretch mesh, and the back panel has an Atlion foam framesheet to enhance stability without interfering your mobility down the mountain.

  • Airscape back panel
  • BioStretch shoulder straps
  • Removable webbing waist belt
  • Hydraulics LT 2.5L reservoir included
  • LidLock helmet attachment system
  • Front and side stash pockets
  • Zippered shoulder strap pocket
  • Upper and lower side compression straps

Tech Specs

Material:
[main] 210D polyester, [accent, bottom] 420D nylon packcloth
Volume:
793 cu in
Support/Suspension:
Airscape back panel, Atilon foam
Shoulder Straps:
BioStretch
Waist Belt:
yes, removable
Hydration Compatible:
yes
Reservoir Included:
yes, 2.5L Hydraulics LT
Access:
front panel
Pockets:
1 zippered stash, 1 shove-it, 1 shoulder strap, 2 mesh side, 1 front stash
Helmet Carry:
yes, LidLock
Compression:
yes, side straps
Dimensions:
18 x 9 x 9 in
Claimed Weight:
1 lb 5 oz
Recommended Use:
mountain biking
Manufacturer Warranty:
lifetime

Size chart

Osprey

 

Packs
Xenith
 MLXL
Torso 18 - 21in
(46 - 53cm)
20 - 23in
(51 - 58cm)
22 - 25in
(56 - 63cm)
Hip 30 - 34in
(76 - 86cm)
33 - 37in
(84 - 94cm)
> 36in
(> 91cm)
Aether 70, 85
 SML XL
Torso 16 - 19in
(40 - 48cm)
18 - 21in
(46 - 53cm)
20 - 23in
(51 - 58cm)
 22 - 25in
(56 - 63cm)
Hip <31in
(79cm)
30 - 34in
(76 - 86cm)
33 - 37in
(84 - 94cm)
 > 36in
(> 91cm)
Aether 60, Atmos
  SM L 
Torso 16 - 19in
(40 - 48cm)
18 - 21in
(46 - 53cm)
 20 - 23in
(51 - 58cm)
 
Hip <31in
(79cm)
30 - 34in
(76 - 86cm)
 33 - 37in
(84 - 94cm)
 
Waypoint (Men's)
 ML 
Torso 18 - 21in
(46 - 53cm)
20 - 23in
(51 - 58cm)
 
Hip 30 - 34in
(76 - 86cm)
33 - 37in
(84 - 94cm)
 
Kestrel, Talon
 S/MM/L  
Torso 16 - 20in
(40 - 51cm)
19 - 23in
(48 - 58cm)
 
Hip 26 - 45in
(65 - 114cm)
28 - 50in
(70 - 127cm)
 
Stratos, Manta 28/36, Zealot, Syncro
 S/MM/L  
Torso 16 - 19in
(40 - 48cm)
18 - 21in
(46 - 53cm)
 
Hip 26 - 45in
(65 - 114cm)
28 - 50in
(70 - 127cm)
 
Ariel 65
 XSSML 
Torso  14 - 17in
(36 - 43cm)
16 - 19in
(40 - 48cm)
18 - 21in
(46 - 53cm)
20 - 23in
(51 - 58cm)
 
Hip  24 - 45in
(60 - 114cm)
24 - 45in
(60 - 114cm)
27 - 48in
(69- 121cm)
29 - 55in
(72 - 140cm)
 
Xena, Ariel 55/75
 XSSM 
Torso  14 - 17in
(36 - 43cm)
16 - 19in
(40 - 48cm)
18 - 21in
(46 - 53cm)
 
Hip  24 - 45in
(60 - 114cm)
24 - 45in
(60 - 114cm)
27 - 48in
(69- 121cm)
 
Aura, Aura AG
 XSSML 
Torso 14 - 17in
(35.5 - 43cm)
16 - 19in
(40 - 48cm)
18 - 21in
(46 - 53cm)
20 - 23in
(51 - 58cm)
 
Hip 24 - 45in
(60 - 114cm)
24 - 45in
(60 - 114cm)
27 - 48in
(69- 121cm)
29 - 55in
(72 - 140cm)
 
Waypoint (Women's)
 SM 
Torso 16 - 19in
(40 - 48cm)
18 - 21in
(46 - 53cm)
 
Hip 24 - 45in
(60 - 114cm)
27 - 48in
(69- 121cm)
 
Tempest, Kyte
  XS/SS/M  
Torso 13 - 17in
(33 - 43cm)
16 - 20in
(40 - 51cm)
 
Hip 24 - 45in
(60 - 114cm)
26 - 45in
(65 - 114cm)
 
Sirrus, Mira 26/34
  XS/SS/M  
Torso 15 - 18in
(38 - 46cm)
17 - 20in
(43 - 51cm)
 
Hip 24 - 45in
(60 - 114cm)
26 - 45in
(65 - 114cm)
 
Exos, Variant, Mutant
 SML 
Torso 16 - 19in
(40 - 48cm)
18 - 21in
(46 - 53cm)
20 - 23in
(51 - 58cm)
 
Hip 24 - 45in
(60 - 114cm)
27 - 48in
(69- 121cm)
29 - 55in
(72 - 140cm)
 
Kode, Farpoint
 S/MM/L  
Torso 15 - 19in
(38 - 48cm)
18 - 22in
(46 - 56cm)
 
Hip 26 - 45in
(65 - 114cm)
28 - 50in
(70 - 127cm)
 
Volt
 One Size
Torso 17 - 22in
(43 - 56cm)
Hip 25 - 50in
(64 - 127cm)
Manta 20
 One Size
Torso 18 - 21in
(46 - 53cm)
Hip 25 - 50in
(64 - 127cm)
Raptor, Viper
 One Size
Torso 15 - 21in
(38 - 53cm)
Hip 25 - 50in
(64 - 127cm)
Viva
 One Size
Torso 14 - 19in
(36 - 48cm)
Hip 25 - 50in
(64 - 127cm)
Mira 18
 One Size
Torso 15 - 18in
(38 - 46cm)
Hip 25 - 50in
(64 - 127cm)
Raven, Verve, Reverb
 One Size
Torso 14 - 18in
(36 - 46cm)
Hip 25 - 50in
(64 - 127cm)
Rev
 Match to usual apparel size
Poco Child Carrier
 One Size
Torso 15.5 - 21.5in
(39.5 - 54.5cm)
Hip 25 - 50in
(64 - 127cm)
Ace (12 - 16 years)
 One Size
Torso 14 - 20in
(35 - 50cm)
Hip 25 - 50in
(64 - 127cm)
Jib (10 - 14 years)
 One Size 
Torso 13 - 19in
(33 - 48cm)
Hip 25 - 50in
(64 - 127cm)
How to Measure:
For best results, have someone take the measurement for you.
Torso:
Start at the iliac crest (the top of your hipbone that you can feel like a shelf on the side of your body). From this level on your spine, measure to the C7 vertebrae, the knobby bone at the base of your neck when you put your head down. Make sure to keep your back straight while having the measurement taken.
Hip:
Measure around your hips, at your iliac crest, not your waist.

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