The world's most in-depth and scientific reviews of outdoor gear

MTI Fluid 2.0 Review

Bulky as a belt but secure when inflated.
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Price:  $135 List | $124.95 at Amazon
Pros:  Very secure when inflated, extra pocket on belt, comfortable strap
Cons:  Inflatable edges are sharp, bulky, difficult to get on when inflated, more complicated to repack
Manufacturer:   MTI
By Maggie Brandenburg ⋅ Senior Review Editor  ⋅  Aug 28, 2019
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53
OVERALL
SCORE


RANKED
#8 of 11
  • Comfort - 35% 5
  • Mobility - 30% 8
  • Versatility - 25% 3
  • Durability - 10% 4

Our Verdict

The MTI Fluid 2.0 is a bulky, expensive inflatable PFD that has a few nice features, but also some pitfalls. It's big yellow airbag squeezes over your head to be pretty securely attached to your person when you need it. When not in use, the soft and wide hip belt is pretty comfortable, though we find its weight and bulk harder to forget we're wearing it. With a tight inflated fit and uncomfortably sharp edges, we think you'd be better off wearing a regular life jacket if you plan to need the inflate function.


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MTI Fluid 2.0
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Price $124.95 at Amazon$119.90 at Backcountry
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Overall Score Sort Icon
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Star Rating
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Pros Very secure when inflated, extra pocket on belt, comfortable strapTapered front, comfortable, breathable, good strap management, large pocketsVery adjustable, great fit, secure and comfortable, good sizing options, moves well, flatteringExcellent paddling mobility, breathable and open design, comfortable fabric, works for short torsosComfortable fabric, moves with you, durable, secure fit
Cons Inflatable edges are sharp, bulky, difficult to get on when inflated, more complicated to repackBack panel high for swimming, runs large, pockets may be in the way while paddlingFull coverage can be hot, runs a bit largeBulky, unbending and flat, rough straps, key loop catches in pocket zipperNo ventilation, sizing a bit generic for a really good fit, pushes breasts into armpits
Bottom Line Bulky as a belt but secure when inflated.A versatile paddling jacket with good ventilation and big pockets.A highly adaptable, super comfortable women's PFD with great sizing options.Providing out-of-the-way, low profile protection that doesn't cut down on your mobility.A comfortable, full-coverage option for female paddlers.
Rating Categories MTI Fluid 2.0 Astral V-Eight Astral Layla NRS Ninja NRS Siren
Comfort (35%)
10
0
5
10
0
9
10
0
9
10
0
8
10
0
8
Mobility (30%)
10
0
8
10
0
7
10
0
7
10
0
8
10
0
6
Versatility (25%)
10
0
3
10
0
9
10
0
8
10
0
6
10
0
7
Durability (10%)
10
0
4
10
0
8
10
0
8
10
0
9
10
0
9
Specs MTI Fluid 2.0 Astral V-Eight Astral Layla NRS Ninja NRS Siren
Gender Unisex Unisex Women's Unisex Women's
Intended Use Paddling (low profile), for expert swimmers only Recreational, fishing, touring Whitewater, sea paddling, touring, SUP Paddling (low profile) Paddling, whitewater
Entry Style Waist belt, clip Front, center zip and bottom clip Pull over; side entry, off-center 3/4 zip and bottom clip Pull over; side entry, 2 side clips Pull over; side entry, 2 side clips
Wear Type Belt (inflatable) Vest Vest Vest Vest
Sizes Available Universal (up to 50") S/M (31-37")
M/L (38-44")
L/XL (45-51")
XS/S (27-31")
S/M (31-37")
M/L (38-44")
L/XL (45-51")
S/M (33-40")
L/XL (38-46")
XXL (42-50")
XS/S (30-42")
L/XL (42-52")
Size We Tested Universal (up to 50") S/M (31-37") S/M (31-37") S/M (33-40") XS/S (30-42")
Measured Weight (ounces) 20 oz 20 oz 26 oz 28 oz 29 oz
Foam Type 24g CO2 cylinder, high-efficiency welded bladder PE foam & EVA foam Kapok fiber front, PVC-free PE foam back PVC-free, PE foam PVC-free, ultrasoft foam
Main Material 300D polyester, 3D polyester mesh 200 x 400D ripstop nylon 200 x 400D ripstop nylon shell, 200D nylon liner 200D urethane-coated ripstop nylon 200D ripstop nylon shell, smooth 210D nylon liner
Rated Buoyancy 29 lb 16 lb 16.3 lb 16.5 lb 16.5 lb
USCG classification Type V with Type III performance Type III Type III Type III Type III

Our Analysis and Test Results

The Fluid 2.0 is a universally-sized, unisex inflatable belt PFD that becomes an over-the-head vest when deployed. This Type V PFD with Type III usage is made of 300D polyester with a high-efficiency welded bladder.

Performance Comparison


Though not ideal for swimming  the Fluid does provide a secure fit while you wait for rescue.
Though not ideal for swimming, the Fluid does provide a secure fit while you wait for rescue.

Comfort


A fairly wide strap made of softer webbing help the Fluid 2.0 be a bit more comfortable than some. The back of the inflatable pack itself is mesh, which aids in breathability as well. MTI also includes a flap behind the buckle to keep the plastic off of your skin, which we appreciate. There's also a single, open-top plastic clip to help hold down the tail of the strap, though it's not the most secure system.

This inflatable is big and bulky, making the "fanny" portion of this fanny pack long, large, and much more in the way than others we tested. We find it difficult to bend around the contours of a normal human torso and think it's even more in the way while sitting than smaller options. The pull cord is also more central in this pack, making it easier to get caught between your legs, depending on exactly where you wear it. When inflated, we're not the biggest fans of how it fits. On the one hand, it's very secure once on, while on the other it's actually a bit tight around the neck with sharper bladder edges than we'd like.

Some hidden padding behind the buckle helps it stay comfortable.
Some hidden padding behind the buckle helps it stay comfortable.

Mobility


Obviously, when you're out of the water, the fact that your only restriction is around your waist really ups the mobility factor for paddling. But as a fairly beefy bag that juts out a bit from your body, this uninflated belt isn't the most streamlined option to swim around in - though we don't think any PFD like this is ever going to be ideal for swimming. Much like the other inflatables we tested, the Fluid 2.0 isn't great to swim in when inflated either, as pretty much all the flotation is on your front, forcing you to do an awkward backstroke. We like how secure this big yellow balloon is once it's on, but it's really tight to pulll over your head if you're in mid-panic.

In terms of inflatability, the MTI blows up pretty quickly when you pull the tab, practically exploding out of its case for you to use. It has repacking instructions printed directly on the bladder, but we found this to be one of the most challenging ones to deflate and repack. You also have to thread the pull tab through a small hole in the bottom of the pack.

The 24g CO2 cartridge fills the vest super fast.
The 24g CO2 cartridge fills the vest super fast.

Versatility


Just like all inflatable belt PFDs, there are some overall restrictions for using them properly. First, you need to be an expert swimmer, as this piece of gear takes some thought and practice using that a standard life jacket doesn't require. And second, to make it legal, you have to be wearing it on your front. With the overall size of this belt, it's not the most comfortable for sit-down paddling and is best used for SUP adventures.

The Fluid 2.0 also is rearmed with a specific type of 24g CO2 canister. This size is more challenging to find and more expensive than the standard 16g CO2 canister most other inflatables we tested take. A full canister loaded into this belt also tip the scales at 20 ounces. That's heavier than some of the full vest PFDs we tested, and we think it is much more noticeable worn around the waist than we prefer. It does have a handy indicator window to see if it's ready for use or not as well as a small zippered pocket, several webbing loops to clip your keys, etc., and a plastic emergency whistle.

An easy indicator window  zippered pocket  and an included emergency whistle are some of the features of this PFD.
An easy indicator window, zippered pocket, and an included emergency whistle are some of the features of this PFD.

Our favorite feature of this belt is the reusable green indicator that shows if the PFD is armed or not. When armed, it's green, and when not, it's red. Hard to get that wrong, which is great.

Durability


Constructed of non-ripstop 300D polyester, 3D polyester mesh, and a high-efficiency welded bladder, the Fluid is about on par with the durability of other models we tested. We noticed some of the seams got a bit sloppy with ends starting to poke out during our several months of testing. We didn't have any real issues with its durability but wonder if those loose ends may become a bigger problem down the road. What we think is the most imminent threat though, is that the whistle clips to the belt and isn't tethered at all, making it pretty easy to lose it.

Inflate or deflate manually through this little red tube.
Inflate or deflate manually through this little red tube.

Value


The MTI Fluid is one of the most expensive PFDs of any type that we tested. Though it's reliable and reasonably comfortable, we think there are better options out there that also cost less.

Conclusion


This inflatable belt is among the bulkiest, most expensive options we tested, and we think it's a bit of overkill for what it is. Though it certainly does what it's advertised to do, it's far from our favorite option for a day out on the water.

It may look silly  but it sure is secure!
It may look silly, but it sure is secure!


Maggie Brandenburg