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ARC'TERYX
Pack Measurement Charts
Arrakis • Altra • Axios
Bora 35 • Khamsin 40
Khazri 35 • Miura 30 • Silo 30
  Back Length
Regular 16 – 20"
Tall 19 – 23"
 
Acrux • Bora 50/65/80/90
Khamsin 50/70 • Khazri 55
Miura 50 • Naos • Silo 40/50
  Back Length
Small 16 – 19"
Medium 18 – 21"
Large 20 – 23"

Women's Components:
Briza 62/75 • Maia 50/65/75
  Back Length
Small 14 – 17"
Medium 16 – 19"
Large 18 – 21"

All measurements are in inches and refer to back length, not pack dimensions.
If you are between frame sizes, go with the smaller size.




Back Measurement Instructions
Measure along the spine between the 7th cervical vertebra and the height of the iliac crest.
7th cervical vertebra
largest bump at the top of the spine
iliac crest
top of your hips
C7 to the Iliac Crest

Fig. 1212 from Gray's Anatomy
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