Aquapac
If you live in a rainy country, you might want to invest in a waterproof bag for your wearable.

Lowepro bellybags
Build mainly for cameras, these bags may work well with wearable computers as well. In addition, these bags are made to fit Lowepro's selection of belts and harnesses.

JustPacks Mountain Strapettes
The Mountain Strappetes is made to combine with JustPacks packs but it may be useful to people who want to help distribute the weight of an existing pack.

JustPacks Waist Packs
JustPacks has several waistpacks in many colours and sizes. Some of them will also work with the Strapettes shoulder straps (above) allowing the weight to be spread across the shoulders as well as the waist.

The Lumbar Pack
Here is a large waist pack with shoulder straps to equalize some of the weight from the lower back. One main compartment, top zippered pocket, two front pockets and two water bottle holders. Waist belt and shoulder straps are adjustable. Size: 7" x 12" x 13".

The Multi
The Multi is a waist belt system with seven different types of packs and a large adjustable belt.

Splash Caddy Deluxe D-401D
The D-401D is a 9 1/2" X 7 1/2" completely waterproof bag. Sometimes it pays to be safe.

True North Runabout Suspender Pack
The SCS (Synchronous Carrying System) shoulder harness keeps the pack firmly situated against your body, eliminating the bouncing that leads to back soreness and strain. The ergonomic Runabout converts into a shoulder bag, making it as versatile as it is comfortable.