*For more information on how I do reviews see Diaper Test Methodology
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Summary
The Prevail Nu-Fit Daily Briefs is a cloth-backed diaper with a highly breathable design. It’s labeled as Maximum Absorbency but also with the “Daily” quantifier. This compares with the Prevail Air Overnight, which is a different line of product from the same manufacturer, First Quality. I couldn’t find any information on this diaper on the Prevail website, which suggests it may have been discontinued but still selling at retailers with older stock. Unlike the Prevail Air Overnight, this diaper uses a standard 2 hook & loop tabs per side to fasten. This diaper also has a relatively limited set of features and doesn’t feature waistbands or inner leak guards.In terms of performance, this diaper was disappointing. I wasn’t able to manage a wetting either in bedwetting or daily wear without leaking. This would suggest it’s better suited for those with moderate incontinence who don’t experience full wettings, but still have significant leakage. However, I wouldn’t recommend it for daily wear as I discovered considerable durability issues during testing, particularly with the tabs. This diaper is reasonably priced, but there are other diapers at a similar price point like the FitRight Ultra or CVS Briefs that can handle at least a single wetting without leaks. Once again, thanks so much for the suggestion and donation for this review, as well as a recent donation toward future reviews from Carl! Suggestions and donations are always welcome!
Key Features:
- Cloth-like backsheet
- Wetness indicator
- Repositionable fasteners
Pros:
- Highly absorbent
- Discreet profile
Cons:
- Low absorbency
- Weak tabs
Product Details
For the purpose of this post I will be reviewing and referring to the medium-sized Prevail Nu-Fit Daily Briefs. However, other available sizes are listed below:
Packaging
Brand: Prevail
Manufacturer: First Quality Products, Inc.
Origin: USA
Units Per Bag: 16
Cost Per Unit: $
Dimensions (L x W x H): 31 cm (12.2") x 16 cm (6.3") x 19 cm (7.5")
Weight: 1.25 kg (2.8 lbs)
Available Sizes: M,L/XL
Advertised Absorbency: 625 ml (97 oz)
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| 1.1 Prevail Nu-Fit Daily Briefs Packaging |
Diaper
Backsheet: Cloth-like (non-woven)
Wetness Indicator: Yes (two yellow lines down middle, blue when wet)
Standing Inner Leak Guards: No
Leg Gathers: Yes
Product Style: Tab-Style Brief
Refastenable Tabs: Yes
Number of Tapes: 2
Repositionable Tabs: Yes
Outer Color: White
Inner Color: White
Front Waistband: No
Rear Waistband: No
Folded Thickness: 2.17 cm (0.85")
Folded Length: 18 cm (7.1")
Dry Weight: 80 g (2.8 oz)
Fragrance: No
Diaper Dimensions (L x fW x mW x bW): 79 cm (31.1") x 65 cm (25.6") x 27 cm (10.6") x 61 cm (24")
Wing Shape (Front, Rear): Rectangular, Rectangular
Padding Dimensions (L x fW x mW x bW): 63 cm (24.8") x 22 cm (8.7") x 15 cm (5.9") x 21 cm (8.3")
Padding Wing Dimensions (fPW x fPH x bPW x bPH): 3.5 cm (1.4") x 15 cm (5.9") x 3 cm (1.2") x 22 cm (8.7")
Padding Wing Shape (Front, Rear): Semicircle, Semicircle
Total Padding Area: 1182 cm2 (182 in2)
Tape Spacing (t1 x t2): 5 cm (2") x 16.5 cm (6.5")
Tape (W x L): 2.5 cm (1") x 4 cm (1.6")
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| 1.2 Prevail Nu-Fit Daily Diaper |
Laboratory Absorbency Tests
Total Absorption Volume (after press out): 570 ml (20.1 oz)
Total Absorption Volume (before press out): 695 ml (25.2 oz)
Time to Absorb Wettings (first to last): (44 s, 54 s, 66 s)
Wet Folded Thickness: 4 cm (1.6")
Used to Total Padding Ratio: 88%
Total Padding to Absorbency Ratio: 0.91 ml / cm2 (0.21 oz / in2)
Press Out Volume: 125 ml (4.4 oz)
Surface Dampness Rating: 3
The Prevail Nu-Fit diaper performed poorly when tested for surface dampness. Dampness appeared on the first wetting during the lab test and the paper towel was soaked on the second, with obvious pooling in the padding. This was confirmed in real world testing with considerable pressout even if it felt relatively “breathable”. I give it some credit for this breathability, but it was otherwise a poor performer in this regard.
 
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| 2.1 Wet vs Dry Diaper After Capacity Test |
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| 2.2 Used vs Unused Padding After Capacity Test |
"Real World" Absorbency Tests
Posture Tests
Standing-Sitting
Total Absorbed Volume: 545 ml (19.2 oz)
Total Wettings: (1 standing)
Leaked After Sitting: Yes
Used to Total Padding Ratio: 64%
Padding to Absorbency Score: 0.46 ml / cm2 (0.10 oz / in2)
Standing-Sitting Rating: 2
The Prevail Nu-Fit struggled when tested while tested for daily wear. The first wetting while standing was fully absorbed but the pooling of liquid over the mid padding was quite obvious and the sagging was also pretty obvious. The moisture did distribute a bit after a while, but it leaked almost immediately after shifting shortly afterward. There were significant leaks through the rear leg gathers and I ended the test there. There was still a notable area of dry padding at the front/rear, but clearly no way for moisture to wick up either direction and it likely wouldn’t have made a huge difference with the most absorbent padding in the middle. This diaper clearly will not handle heavy wettings for daily wear and should be reserved for light to moderate incontinence.
Lying Down
Total Absorbed Volume: 445 ml (15.7 oz)
Total Wettings: 1
Used to Total Padding Ratio: 69%
Padding to Absorbency Score: 0.38 ml / cm2 (0.09 oz / in2)
Lying Down Rating: 2
The Prevail Nu-Fit diaper performed about as you might expect for a diaper explicitly categorized as “daily”. There was a modest leak on the first wetting. Initially it felt like it might be absorbed as moisture pooled toward the rear padding and it didn’t feel saturated. However, I believe the lack of leak guards allowed some to spill into the non-padded edges and that resulted in leaks on either side of the rear leg gathers. At the end of the test the front padding was still completely dry so there was still some potential absorbency there. If you have light-moderate leaks at night then this diaper might work, but otherwise I don’t feel this diaper is suitable for bedwetting wear.
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| 2.3 Pattern of Used vs Unused Padding Test Stand/Sit (right) Lying Down (left) |
Daily Wear and Bedwetting
The Prevail Nu-Fit Daily Briefs diaper was a difficult one to review due to the limited absorbency. It wasn’t able to comfortably absorb a full wetting while lying down or handle the pressout after sitting. Ideally you could work around this by combining it with a booster pad to increase absorbency enough to make it safely able to handle a wetting without leaks, like I did to make the Goodnites products safer to wear for bedwetting. However, the lack of inner leak guards meant my usual Attends Booster pad didn’t fit nicely in place (the guards help with placement) or direct moisture to the pad, meaning that wasn’t as effective a solution. You’d pretty much want a larger booster pad and plastic pants to make this diaper work and it does work, but it ads to the cost. The reality is that this diaper would be best used for moderate incontinence, maybe continuous leaks that amount to a lot but can be changed before it gets to capacity. Though it won’t be a good choice for active daily wear because the tabs are highly vulnerable to breaking off. I’ve had the tabs break off in the night, when adjusting it and even when putting it on for the first time. Aside from that, the diaper is highly breathable and the material is very soft, so absorbency and durability aside it is reasonably comfortable. I imagine the ideal use case for this diaper to be relatively limited, so I can’t say I’d recommend it; there are better Prevail products like the Air Overnight.Suitability for Bowel Incontinence: 8
The Prevail Nu-Fit isn’t well suited for bowel incontinence. It lacks waistbands for snugness and, critically, standing inner leak guards. It’s also cloth backed and has a loose fit with weak tapes. This means it would perform poorly at dealing with odors and containment. So I wouldn’t recommend it for this purpose.
Wear & Tear Tests
Fitting
The Prevail Nu-Fit Daily diaper features a cloth-like backsheet with hook & loop fasteners. I found the fasteners to be strange because a fold in the tape can cause them to get stuck in place after the first fastening even though they should be refastenable. I also found the tape strength to be incredibly weak and it was very easy to accidentally pull a tape off. Otherwise, the sizing is about average with the medium feeling just about right for me if not slightly loose.
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| 3.1 Prevail Nu-Fit Daily Briefs Fastener |
Ease-of-Use Rating: 10
I rank the Prevail Nu-Fit diaper about average in terms of ease-of-use. It has some helpful features like repositionable tabs and a decent wetness indicator that clearly changes from yellow to blue when wet. It also has a unique sizing chart system that maps height and weight for best fit. However, it lacks standing inner leak guards, which won’t work well for those with bowel incontinence. It also lacks a waistband for a snug fit/better containment. I also found several problems with the refastenable tabs. There’s an adhesive slip at the bottom of the tab that can get stuck to the backsheet and isn’t easy to remove without damaging it, which can make it effectively not refastenable. I also found the tabs break off or come loose very easily making it difficult to maintain a snug fit and not great for any sort of active wear. The absorbency also means it won’t work for heavy wetters and best works for those with moderate leaks. Aside from that, the folding structure is quite different from other diapers I’ve tested with 3 distinct creases vs the typical 2 creases for a triple folded diaper or a single crease for a single fold. This results in the individual product length being a bit shorter than you might expect, but I didn’t find it had much impact on ease-of-use.
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| 3.2 Prevail Nu-Fit Daily Briefs Fit |
Comfort
Comfort Rating (dry): 7
The Prevail Nu-Fit diaper is quite comfortable from a material standpoint. The cloth-like backsheet is incredibly breathable and soft to the point it’s barely noticeable. I didn’t find any sources of friction or discomfort in the design. However, the big downside to this diaper is that the tapes are very weak and the fit becomes loose very quickly. Otherwise I can’t say I found any major faults in terms of dry comfort.
Comfort Rating (wet): 5
I rank the Prevail Nu-Fit below its dry comfort state for wet comfort. This isn’t because it gets particularly clammy. It does remain highly breathable. Yet the problem of tab weakness and loosening fit are exemplified when wet and result in obvious sagging. The diaper also has a very low absorbency and is highly susceptible to leaking, so even if you end up wearing it in a wet state that doesn’t leak you will definitely feel pressout moisture when wet.
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| 3.3 Prevail Nu-Fit Daily Briefs Topsheet and Backsheet |
Durability
Dry Padding Deterioration Proportion: 11.9% (topsheet), 10% (backsheet)
Shake Deterioration Test: 3 shakes to deterioration
Durability Rating (dry): 4
I rank the Prevail Nu-Fit briefs at the lower end when it comes to dry durability. It wasn’t so much the padding deterioration. The padding did deteriorate a little more than typical, but the core padding held together relatively well. The big problem was the tab strength. The bottom end of the tapes have very little adhesiveness and are highly prone to tearing off. You have to be careful just applying the diaper in the first place, as I found I accidentally pulled tapes off on several occasions. For this reason I wouldn’t recommend this diaper for any active wear.
Durability Rating (wet):4
Wet durability and dry durability in the Prevail Nu-Fit briefs are similar. In both cases the padding holds out fine but with clear deterioration in spots. Yet, again the main problem is tab weakness. This diaper is unlikely to get heavy enough to pull the tabs off outright when wet due to its low absorbency, but it will clearly sag and active wear will probably cause it to fail. Aside from that, the wetness indicators are susceptible to turning blue due to minor leaks or sweat before it would be time for a change. It’s still way more durable than the bottom performer, the Attends Waistband, but again not a diaper I’d recommend for active wearers.
 
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| 3.4 Prevail Nu-Fit Daily Briefs Dry Test Deterioration |
Discretion Tests
Profile
Front Rise Above Waistline (Jeans, Sweatpants): 6 cm (2.4"), 7 cm (2.8")
Back Rise Above Waistline (Jeans, Sweatpants): 8 cm (3.2"), 4 cm (1.6")
Side Rise Above Waistline (Jeans, Sweatpants): 5.5 cm (2.2"), 3 cm (1.2")
Profile Discretion Rating: 8
The Prevail Nu-Fit diaper performs well for profile discretion. The only catch is that the loose fit will cause some sagging. However, the padding is thin and easily collapsible so it will be very easy to conceal with meshpants or underwear. Consequently, I rank it highly in this regard with the caveat that it doesn’t have sufficient absorbency for a single wetting in most cases.
  
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| 4.1 Prevail Nu-Fit Daily Briefs Jeans Profile (left) vs Normal Underwear (right) |
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| 4.2 Prevail Nu-Fit Daily Briefs Sweats Profile (left) vs Normal Underwear (right) |
Noise
Noise Rating: 8
The Prevail Nu-Fit provides a good degree of noise discretion. I rarely noticed any noise during wear, just the odd bit of rustling. It would be very easy to cover up any noise from this diaper, but I can’t quite say it’s a top performer in this regard. It’s about on par with most cheaper cloth-backed diapers in this regard. I imagine with thicker padding holding the backsheet a bit better it would likely be a top performer for noise.
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| 4.3 Prevail Nu-Fit Daily Briefs Noise Profile |
Odor Reduction
Odor Reduction Rating: 4
The padding in the Prevail Nu-Fit may have some odor resistance, but it was difficult to tell given how little absorbency there was. What is certain to be a problem is the “breathability” aspect of this diaper. It’s very easy for odors to escape either the loose fitting waist or semi-transparent sides. Surface dampness could also lead to the formation of odors. I can’t see this diaper working well for managing odors and it should be changed soon after wetting.
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