Black Diamond - Beta Series Backpacks Size Guide

Size
Torso Length
Waist Circumference
XS 14 - 15.5 in 24 - 42 in
S 15.5 - 17.5 in 27 - 45 in
M 17.5 - 19.5 in 29 - 48 in
L 19.5 - 21.5 in 31 - 51 in



How to Measure

Torso Length

Measure torso length from the base of your neck, following the natural curve of your spine down to the top of your hipbones.


Waist circumference.

Measure waist circumference by wrapping a tape measure around the narrowest part of your torso, typically above the hipbones