UnderJams are a pull on style diaper

Diaper

A nappy or a diaper is a kind of pant that allows one to defecate or urinate on oneself discreetly. When diapers become soiled, they require changing; this process is often performed by a second person such as a parent or caregiver...

 used as a way of managing bedwetting that are made by Pampers

Pampers

Pampers is a brand of baby products marketed by Procter & Gamble. Pampers was at one time only used as a name for a disposable diaper.-Products:...

. They are similar to GoodNites

GoodNites

GoodNites are used as a way of managing bedwetting. GoodNites are disposable diapers manufactured by Kimberly-Clark and sold under the Huggies brand, designed for children and teenagers who experience bedwetting.GoodNites are very similar to Kimberly-Clark's Pull-Ups product, and prior to...

 but are less visible and they hold more liquid. "UnderJams" are also more soft and quiet than GoodNites

GoodNites

GoodNites are used as a way of managing bedwetting. GoodNites are disposable diapers manufactured by Kimberly-Clark and sold under the Huggies brand, designed for children and teenagers who experience bedwetting.GoodNites are very similar to Kimberly-Clark's Pull-Ups product, and prior to...

, and even though the package states that they will only fit children up to 85 lbs, users have reported that they fit children up to 130 lbs comfortably. Also, because of their low waist, they are hardly visible under pajamas.

Origins

UnderJams were introduced in 2008 in the US, as a direct competitor to GoodNites

GoodNites

GoodNites are used as a way of managing bedwetting. GoodNites are disposable diapers manufactured by Kimberly-Clark and sold under the Huggies brand, designed for children and teenagers who experience bedwetting.GoodNites are very similar to Kimberly-Clark's Pull-Ups product, and prior to...

.
Underjams have been reported to have weak sides that split after about 2-3 hours of use even with a perfect fit.

Designs

For boys, UnderJams initially had a pastel green color, with some assorted designs. For girls, they were a purple pastel color, again with limited designs, as opposed to the GoodNites

GoodNites

GoodNites are used as a way of managing bedwetting. GoodNites are disposable diapers manufactured by Kimberly-Clark and sold under the Huggies brand, designed for children and teenagers who experience bedwetting.GoodNites are very similar to Kimberly-Clark's Pull-Ups product, and prior to...

 which are white but have many designs.

Recently, the designs for both genders have been updated with more brightly colored designs.
Underjams have been reported to have weak sides that split after about 2-3 hours of use even with a perfect fit, Similar to the smaller version of the product "easy ups".

Sizes

UnderJams come in 2 sizes; small/medium and large/extra large the weight ranges for which are specified below.

Size	Weight
S\M	38-65 lbs, 17–29 kg
L\XL	58-85 lbs, 26–39 kg

See also

• Diapers
• Bed wetting
• Pampers
  Pampers
  Pampers is a brand of baby products marketed by Procter & Gamble. Pampers was at one time only used as a name for a disposable diaper.-Products:...
  
  
• Urinary incontinence
  Urinary incontinence
  Urinary incontinence is any involuntary leakage of urine. It is a common and distressing problem, which may have a profound impact on quality of life. Urinary incontinence almost always results from an underlying treatable medical condition but is under-reported to medical practitioners...
  
  
• Fecal incontinence
  Fecal incontinence
  Fecal incontinence is the loss of regular control of the bowels. Involuntary excretion and leaking are common occurrences for those affected. Subjects relating to defecation are often socially unacceptable, thus those affected may be beset by feelings of shame and humiliation...