After nourishing myself with one of those famous Icelandic hot dogs, I spent a couple hours photographing the colorful activity on the chilly, damp streets of Reykjavik using the Think Tank Mirrorless Mover 25i to protect my weather resistant Olympus OM-D E-M5 Mark II with dust and splash proof Olympus ED 12-50mm zoom.

The quality of construction in this bag is top notch, as you would expect from Think Tank. The key to the design is the quick access top flap that uses a magnetic closure system for quick access while shooting, but has the option of zippered security when the weather turns bad.

This system is highly efficient. I could leave my OM-D protected in the bag while exploring the streets of Reykjavik, then grab it quickly to capture an action shot when presented with the opportunity. The trick is to leave the camera on and ready to shoot.

Inside the bag I stashed the Olympus OM-D E-M5 Mark II with dust and splash proof Olympus ED 12-50mm zoom, an Olympus 60mm f/2.8 macro (also dust and splash proof), and the Olympus Tough TG-4. There was plenty of room for all of these components, plus the accessories I needed for the day. Yet, the bag was light and positioned discreetly behind my arm, wearing it messenger style.

"Running Late" - Olympus OM-D E-M5 Mark II with 12-50mm lens, ISO 400, f/5.6 at 1/60th. Photo by Derrick Story..

Other niceties include a dedicated tablet pocket that holds my iPad mini, smartphone pocket, twin SD card holders, high quality metal hardware, top handle, back belt loop, fitted rain cover (if the weather gets really bad), and stretchable side pouches on both ends, outside of the bag.

"Natural Heat" - You can warm yourself via the steam pipes tapping the water beneath the ground. Photo by Derrick Story.

The Mirrorless Mover 25i fits nicely in my suitcase for travel. I filled it with socks to stay efficient. When I was ready to shoot, I emptied the socks and added the gear I needed for the day. It is a great bag for the nimble photographer on the go.

The Think Tank Mirrorless Mover 25i has a high Nimbleosity Rating. What does that mean? You can learn about Nimbleosity and more by visiting TheNimblePhotographer.com.