Side Pocket Echo

$27.00
An infinitely-adjustable, insulated side pocket for any size water bottle from 0.5L to 1.5L.

Side Pocket Delta

$27.00
A unique double-wide side pocket. Installs onto any two side-by-side attachment bays. Even bridges the gap between two modules.

Side Pocket Charlie

$19.00
Has a really useful pocket compartment as well as three external pen slots.

Side Pocket Bravo

$19.00
This pocket has two half-height compartments. It holds a small radio plus more accessories like batteries below.

Side Pocket Alpha

$19.00
Designed to hold a large hand-held radio or a water bottle. The zipper conceals an expansion flap to allow wider objects to fit. The top "cover flap" is adjustable to allow it to go up "over" and secure taller items. (Like a compact umbrella?, etc.)

Pack Cap Rear

$66.00
A specialized Rear End Cap that has Back Pack Straps built in. Carry your smaller configurations (B2 or B4) hands-free. Stow the straps when you don't need them.

Pocket Cap Rear

$70.00
The FLEX POCKET CAP REAR is exactly the same as the POCKET CAP FRONT, except it's the "opposite": This module goes onto the Rear surface of any other FLEX module (not the Front). Now you can have lots of small pockets on the REAR of your bag, to go along with all the small pockets you already have on the Front.

CS5

$74.00
This section has top access AND rear access. It includes a removable-and-adjustable divider shelf. Perfect way to add a lot more space to your bag.

CS4

$70.00
The Center Section Four offers a generous amount of storage in a compact space. It has top access, as well as full front access.

CS3

$56.00
The CS3 gives you room for laptops, documents, clipboards, magazines, maybe a change of clothing. or even your lunch.

CS2

$50.00
Center Section 2 inch. Designed to carry 13" laptops and tablet computers as well as documents, folders, clipboards, etc.

Pocket Cap Front

$70.00
The FLEX Pocket Cap Front (PCF) is the starting point for all configurations. There are nine pockets in total (3 sets of 3), all with color-coded zipper pulls. The FLEX Pocket Cap Front attaches to the Front Surface of all FLEX Center Sections, or directly to any Rear End Cap (FCR, PCR, KCR).