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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