 Fitting Backpacks
Harness Systems
Air Flow System
 The
AFS Harness System is a fixed harness with longer Shoulder Straps, a Sternum Strap,
a
HDPE Frame Sheet, a single Internal Stave, Hip Belt with Lower Load Stabilizer
Straps, and
Airflow
Mesh. This combination allows the backpack to sit comfortably low on the back
and effectively transfer the load to the muscles on the lower back, chest
and back of the shoulders. White Mountain™
then cover the padded back, inside of the Hip Belt and Shoulder Straps with
Airflow Mesh for maximum ventilation.
Click Images to Enlarge
The AFS Harness has Shoulder Straps that are longer than a standard daypack
to allow positioning of the backpack on the lower back. This lower positioning
of the backpack places the weight squarely on the lower back muscles on either
side of the spine and allows correct positioning of the Hip Belt for maximum
comfort under load.
This AFS Harness includes a full padded Hip Belt to comfortably draw the
backpack into the lower back. This allows for an effective transfer of the weight to the lower back when required.
The Sternum Strap assists in positioning the Shoulder Straps, and alleviates
excess pressure on the shoulders by placing some of the backpack weight on the
padded area of the chest. The Sternum Strap also prevents the Shoulder Straps
from slipping onto the shoulder joint or off the shoulder.
Only the Trail Blazer currently has Lower Load Stabilizer Straps. White Mountain
will introduce this feature as the standard in the AFS Harness, in the near
future.
Compression Straps are an essential feature of an Internal Frame Backpack
and allow you to compress the backpack around loaded equipment to provide a
tight and stable load.
Sandwiched behind the AFS Harness System, between the three-dimensional mesh
and the HDPE frame sheet, is a high-density foam pad. This Padded Back cushions
the impact of heavy loads on the body.
The White Mountain™ Horizon, Trail Blazer and the Lyrebird (pictured) have
a frame sheet across the back that is made of a high-density polyethylene (HDPE),
a flexible but strong plastic with a single vertical Internal Stave. This allows
moulding of the HDPE frame sheet to the individual back, which then transfers the load
to the muscles on the lower back either side of the Sacrum or the base of the
spine.
View details of the
HDPE Frame Sheet
A tremendous advance in material technology, a triple layered mesh that breathes
and wicks moisture from the body. The inside of the Hip Belt, Shoulder Straps
and the padded back of this harness system is covered in this Airflow Mesh
View details of the
Airflow
Mesh
Designed to carry heavy weight with the maximum of comfort without causing injury to the
back and neck, the new White Mountain™ AFS Harness is the ultimate design for
a school daypack.
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