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Osprey Pack Size Chart

Men's Packs
Women's Packs
Unisex Packs
Kids' Packs
Interchangeable Hip Belts


Torso Sizing

Your torso size is the most important measurement and is what determines your pack size. Many Osprey packs are available in multiple sizes to fit a range of torso lengths. To determine your torso measurement at home have a friend measure the length of your back along the spine. Start at the iliac crest which is an imaginary line drawn across the top of your hip bones. From this level, measure to the C7 vertebrae, the knobby bone at the base of your neck that protrudes when you put your head down. Make sure to keep your back straight while your friend makes the measurement. If you are between sizes, it's best to find a shop where you can try on both sizes. 

Osprey Men's Size Chart

Torso Length 16"/40.6cm 17"/43.2cm 18"/45.7cm 19"/48.3cm 20"/50.8cm 21"/53.3cm 22"/55.9cm 23"/58.4cm 24"/61cm 25"/63.5cm
Xenith     M M M-L M-L L-XL L-XL XL XL
Aether 70
Aether 85
S S S-M S-M M-L M-L L-XL L-XL XL XL
Aether 60
Atmos
S S S-M S-M M-L M-L L L    
Waypoint     M M M-L M-L L L    
Talon
Kestrel
S/M S/M S/M S/M-M/L S/M-M/L M/L M/L M/L    
Stratos
Mantra
S/M S/M S/M S/M-M/L S/M-M/L M/L M/L M/L    
Volt   1 Size Compatible Torso Lengths       
Manta 20     1 Size Compatible Torso Lengths         
Raptor
Viper
1 Size Compatible Torso Lengths         

Osprey Women's Size Chart

Torso Length 13"/33cm 14"/35.6cm 15"/38.1cm 16"/40.6cm 17"/43.2cm 18"/45.7cm 19"/48.3cm 20"/50.8cm 21"/53.3cm 22"/55.9cm 23"/58.4cm
Ariel 65   XS XS XS-S XS-S S-M S-M M-L M-L L L
Xena
Ariel 55/75
  XS XS XS-S XS-S S-M S-M M M    
Aura       S S S-M S-M M-L M-L L L
Waypoint       S S S-M S-M M M    
Tempest
Kyte
XS/S XS/S XS/S XS/S-S/M XS/S-S/M S/M S/M S/M      
Sirrus
Mira 26/34
XS/S XS/S XS/S XS/S-S/M XS/S-S/M S/M S/M S/M      
Viva   1 Size Compatible Torso Lengths         
Mira 18     1 Size Compatible Torso Lengths           
Raven
Verve
  1 Size Compatible Torso Lengths           

Osprey Unisex Size Chart

Torso Length 14"/35.6cm 15"/38.1cm 16"/40.6cm 17"/43.2cm 18"/45.7cm 19"/48.3cm 20"/50.8cm 21"/53.3cm 22"/55.9cm 23"/58.4cm
Exos
Variant
Mutant
    S S S-M S-M M-L M-L L L
Kode
Farpoint
  S/M S/M S/M S/M-M/L S/M-M/L M/L M/L M/L  
Zealot
Syncro
    S/M S/M S/M-M/L S/M-M/L M/L M/L    
Rev Match to Usual Apparel Size
Reverb 1 Size Compatible Torso Lengths           

Osprey Kids' Size Chart

Torso Length 13"/33cm 14"/35.6cm 15"/38.1cm 16"/40.6cm 17"/43.2cm 18"/45.7cm 19"/48.3cm 20"/50.8cm 21"/53.3cm
Poco Child Carrier     Compatible Torso Lengths 
Ace   1 Size Compatible Torso Lengths   
Jib 1 Size Compatible Torso Lengths    
 

Interchangeable Hip Belt Sizing

Some Osprey packs, including the Xenith & Xena, Aether & Ariel and Variant series packs offer interchangeable hipbelts.To determine your hipbelt size, measure around your hips at the iliac crest (not your waist, the belt should ride on your hip bones and should fit very snugly in order to take weight off your shoulders). The padded portion should wrap well around your hips, leaving a gap of 3 to 6 inches between the tips of the both hip pads when securely tightened. Make sure to account for cold weather clothing for packs being used for winter activities.

Osprey Interchangeable Hipbelt Size Chart

Hip Circumference 26"/66cm 27"/68.6cm 28"/71.1cm 29"/73.7cm 30"/76.2cm 31"/78.7cm 32"/81.3cm 33"/83.8cm 34"/86.4cm 35"/88.9cm 36"/91.4cm 37"/94cm 38"/96.5cm
Zenith
Aether
    S S S-M M M M-L M-L L L L-XL L-XL
Variant XS XS-S S S S-M S-M M M-L M-L L L-XL L-XL XL
Xena
Ariel
XS XS-S S S S-M S-M M M-L M-L L L L