Breakdown: Human-Machine Interfaces
The Bum Back Pack has three main human-machine interfaces: the strap, the latches and the bum pads.The strap is wide and padded. Changing it from messenger style to back pack style is quick. Adjusting it for length is easy. It is a tough strap that can take a beating.
The latches consist of hooks and push button latches. The hooks have positive locking, spring loaded closures and are easy to operate. The latches are large, plastic, push-button latches. They have large spring loaded buttons and can be opened and closed with one hand. The all have good tactile feedback.
The bum pad is wide and an inch thick. It is covered in mesh to allow things to breath. The padding on your bum keeps things comfortable and reduces the bouncing of the bag on your rear.
Ergonomic Breakdown: Comfort Factors
The Bum Back Pack has a number of comfort factors, both mental and physical.The wide padded strap is comfortable on your shoulders. The bum pads keep the bag comfortable on your rear. And the transition is the most comfortable thing of all.
Not only is the low slung back pack comfortable to carry but the ability to transform the bag and thereby carry it in different ways is a great advantage. By changing the way you carry it when you get tired, you can work different muscles and let the others rest.
Mentally the bag can set your mind at ease, especially when lugging around an expensive laptop. The durability of the balistic nylon fabric reassures you that your stuff is safe. The extra protection around the laptop case reassures you that your valuable stuff is safe.
Ergonomic Breakdown: Efficiency Factors
The Bum Back Pack is an efficient bag for pedestrian commuting and traveling.The Bum Back Pack is slim and easy to carry in crowded areas.
The latches and strap transition are quick and easy.
The pockets hold items in an organized and accessible way.
The Bum Back Pack integrates with rolling bags.
