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Tranquility Smartcore Disposable Brief packaging
Tranquility Smartcore Disposable Brief packaging

Tranquility SmartCore Disposable Brief

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Overview – Overview – The Tranquility Smartcore Disposable brief is a maximum capacity brief with tabs (as opposed to pull up underwear) for urinary and/or bowel incontinence. It is designed to give the users much better rest at night. Note it’s good to change a diaper at night once it is soiled or wet, as this protects the skin, but this product can absorb a large amount. It has breathable sides that help keep the brief cool and prevent moisture build up. It is designed to maintain healthy skin. The increased air flow creates this environment. They are available in a range of sizes, the larger Smartcores can hold up to a quart of liquid. With the high capacity, the Smartcore brief should allow for six to eight hours of sleep if necessary. This is good for both the user and any caregiver. Always change a wet diaper as soon as you can.

Sizing Table

=8 oz.

Size Waist Capacity Qty SKU
Small 24-32" 22 oz 10/pk or 100/cs 2311
Medium 32-44" 28 oz 12/pk or 96/cs 2312
Large 45-58" 34 oz 12/pk or 96/cs 2313
X-Large 56-64" 34 oz 12/pk or 72/cs 2314
2X-Large 60-80" 34 oz 8/pk or 32/cs 2315

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AbsorptionTranquility and this product are tested using the C.U.P. method. This is Capacity Under Pressure. This means the product is tested under a pressurized flow not the soaking method. This type of testing simulates how fluid is released from your body. The peach mat core wicks any fluid quickly, keeping you dry. There are dual leg cuffs for leakage protection. There is an inner and outer cuff, with the inner cuff directing any fluids back towards the core. Depending on size required, these briefs will hold between 22 fluid ounces to 34 fluid ounces in the larger sizes. The wetness indicators have yellow lines that turn blue from the moisture. This high capacity brief requires less changes for less daily costs, though it’s always good to change as soon as possible to protect the skin.

FitBriefs with tabs allow for more adjustments to get the proper fit. The tabs are located at the leg and waist openings. The tabs can be repositioned to insure a snug, secure wear. You want a snug fit, not tight but certainly not loose. Most leakage takes place in the leg openings. With a snug fit and the dual cuffs this product helps eliminate that. The key to leakage control is FIT. The product must fit you properly. With the tabs you can adjust where needed for a proper fit thus eliminating the chance of leaking. The Tranquility Smartcore is available in a wide variety of sizes to fit most body types.

Odor Reduction – The Tranquility Smartcore brief has odor reduction through the use of the peach mat core. This core absorbs the fluids so quickly there is no chance of odor. By absorbing the fluids so quick, this neutralizes the pH, which is the odor in the urine. It also inhibits bacterial growth.

Additional Products and Alternatives– Many add booster pads to add to the capacity for just that little added protection and peace of mind. If you prefer the pullup style, there is the Tranquility Premium Overnight Pull-On Underwear.


Brand of Adult Diaper Tranquility
Type of Incontinence Urinary and/or Fecal
Who is this for? Men, Women, and Youth
Sizes Available Small, Small, Medium, Large, X-Large, 2XL
Absorbency by size From 22 oz. to 34 oz.
Comes by the Pack Yes
Reusable or Disposable Disposable
Material around Waist, Hip, Leg? Waist is flat and gathers at the leg openings
Backing Waterproof cloth-like backing
Type of Odor Control Peach mat core
Does it have Leak Guards Yes
Does it have a Wetness Indicator Yes
Each Wrapped Individually No
Where is it made USA
Alternative Products Tranquility Premium Overnight Pull-Ons
Helper Products Booster pads, underpads


Top 7 Questions About the Tranquility Smartcore

  1. If I buy a pack do I have to pay shipping?
    We pay all shipping for the lower 48 states (free shipping). For orders going to Alaska and Hawaii, you would be charged only the actual shipping charges themselves.
  2. Does this product work well for bowel incontinence?
    This product is designed for bowel and urine incontinence both, and can handle bowel incontinence by itself - it is a very good bowel incontinence product
  3. I am using a store brand and it leaks? Will the Tranquility Smartcore help?
    This product is especially designed for people with fecal incontinence or urinary and fecal incontinence. We get a lot of calls from customers asking about something they bought at a department store. With the Tranquility brand you pay a little more but you have a huge increase in comfort and absorbency, especially in the case of bowel incontinence with this product.
  4. Are there any good helper products or alternatives? I'm having trouble with wetness with this product.
    Try adding a booster pad inside. These add 4 to 8 ounces of capacity to almost any incontinence product. It's not like a regular pad, it absorbs and lets extra wetness soak through to the adult diaper.
  5. Which should I buy, a pack or a case?
    When making an initial purchase, we always recommend starting with a small pack. If it fits, works well and is the right size, then you can order a larger quantity as needed.
  6. Does this work as a nighttime alternative. I already have a good product for the day.
    This product, sometimes with booster pads, works well for a nighttime adult diaper, especially for those with bowel incontinence, which what makes this product different.
  7. Does this product come in a bariatric size?
    Tranquility does make the Tranquility Air Plus Bariatric Brief that goes up to a 106" waist and a couple of more that go up to a 96" waist.

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