The available MOLLE-style accessories are limited but apparently specific to this vest. It seems like the new ACR ResQLink will fit in the X-Back's cell-phone pouch. My cell-phone won't handle a dunking so I'm not wasting space by storing it on a blue-water vest.

Also, when I took a good look at the side profile pic of the X-Back:

it appears that my issue with it missing something in the lower back is unwarranted. I'm too used to military versions which carry a lot more gear. The sides on this version appear to not need more support; they are just there to provide real estate for the accessory pouches and are not part of the flotation system.

Quote:
...according to our safety guy 90% of downed-helicopter rescues occur in under 30 minutes...
Did you read about the two Marines who ejected at night off the SOCAL coast? ~4 hours in the water before USCG ship located them and helo made the pick-up. 4 hours in the GOM ain't nuthin' compared to 4 hours off the CA coast at night.
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Better is the Enemy of Good Enough.
Okay, what’s your point??