The backpack back length can be adjusted based on the measured back length of the wearer.
To do this, using a measuring tape, measure the shortest distance between the noticeable top of the pelvic bone and the usual
support point of the straps on the shoulders (highest shoulder point). Find your measurement in the table and adjust the backpack
to the corresponding back length (see pages 14 & 15).
Adjusting the Back Length
Back Length in
cm / inch
Recommended Setting
49 - 53 cm
19.3’’- 20.9’’
M
53 - 57 cm
20.9’’ - 22.4’’
L
45 - 49 cm
17.7’’- 19.3’’
S
57 - 61 cm
22.4’’ - 24’’
XL
All details are guidelines only and apply to people with average proportions. Variations are possible and can lead to a
different result - as can personal preferences when wearing a backpack.
Support point
of the shoulder
straps
Top of
the pelvis
13
EN
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