In theory the vertically baffles distribute heat the length of your body, vs across your body. So in essence heating more effectively, as certain parts of your body are warmer than others it is suppose to help distribute that heat better than a horizontal baffle.
It makes sense, but does it...
would this work on a duplex frame?
my current belt only has one delta strap but my EMRII has two delta strap pulls.
just looking for a good deal on a belt with 2 deltas