If the bag has a rear strap ... Personally, I have the [amazon link="B016M7W7YG" title="x-shaped straps in bright green"], and they're pretty good. They cost slightly less than 10$ and overall ...

You have a green bag, a blue bag and a grey bag ... The ergonomic, self adjusting double shoulder straps work really well though and carrying this bag is effortless. It's comfortable and as ...