21-3. IDENTIFICATION AND DESCRIPTIONContinued
a. Field Pack, Large with Internal Frame.
The Field Pack, Large With Internal Frame (Figure 21-2) is constructed of an 8.0 ounce backcoated nylon fabric
which has excellent abrasion resistance and water repellency. The weight of the empty pack is 8 Ibs, The pack
has two major sections; the sleeping bag compartment, and the main compartment, The main compartment has
a false bottom that may be opened for full use of the pack when a sleeping bag is not carried. The outside of the
pack has one long tunneled pocket and two smaller cargo pockets, all using compression straps for securing
contents, Equipment attachment points in the form of 2 1/4 inch (5.71 cm) webbing and 1 inch (2.54 cm) webbing
loops are located throughout the pack.
The internal frame is comprised of two aluminum staves running the full height of the pack. The staves are
removable. The suspension system is adjustable allowing the user to position the pack where it is most
comfortable. The pack has lower back padding as well as an extended Iombar suppoort pad and the shoulder
pads are made of bi-laminate foam. A softer, open cell foam is against the body for comfort followed by a stiffer
closed cell foam for stability and good recovery after compression.
Two straps assemblies with quick release buckles allow for the attachment of the Combat Patrol Pack atop the
field pack when both packs are used together. When used in combination with either the 40MM Grenade Vest or
the Tactical Load Bearing Vest, the Field Pack shoulder pads are worn over those of the vest, where they are
retained by two one inch (2.54 cm) of webbing.