Discreet Ultra-Thin Pull-On Adult Diapers: Underwear-Like Designs, Colors, Sizes, and Absorbency [2026 Guide]

English translation of an article originally published in Japanese on May 11, 2021. Read the Japanese original (Japanese). Product information and dates refer to the original article. Images and manufacturer videos may contain Japanese.

When choosing pull-on adult diapers, appearance under clothing and wearing comfort matter alongside absorbency. Ultra-thin options include products designed for an underwear-like silhouette and products available in different colors.

Hiroshi Yagi

This article introduces the designs, colors, sizes, and approximate absorbency of ultra-thin pull-on adult diapers from three manufacturers.

Ultra-thin pull-on adult diapers from each manufacturer

Kao Relief

Pull-On Type, Just Like Underwear, 2 Voids

Pull-on adult diapers with ultra-thin 1mm material in the buttock section. Available in white and sakura pink. Kao recommends wearing them alone without a pad.

Image source: Kao official page

Source: Kao Relief Just Like Underwear official page

Daio Paper Attento

Ultra-Thin Pants, Underwear Freshness

Thin, underwear-like fitting material makes this product discreet under clothing. Available in two colors: elegant pink beige and light gray. The pink-beige version is scheduled for renewal and the light-gray version for release on October 21, 2026, according to the manufacturer.

Image source: Daio Paper official page (Pink beige / Light gray）

Source: Daio Paper Attento Ultra-Thin Pants, Underwear Freshness (Elegant pink beige / Light gray）

Unicharm Lifree

Ultra-Thin Underwear-Feel Pants, 2 Voids

An ultra-thin type designed for a light, underwear-like feel. Can also be used with incontinence insert pads designed for pull-on adult diapers.

Source: Unicharm Lifree Ultra-Thin Underwear-Feel Pants, 2 Voids

Benefits of ultra-thin pull-on adult diapers

Some ultra-thin pull-on adult diapers are discreet under clothing and less bulky around the legs. Absorbency and compatibility with incontinence insert pads vary by product, so follow the manufacturer’s guidance when choosing.

Choosing pull-on adult diapers: precautions

When helping someone pull up pull-on adult diapers, do so gently without forcing them, to avoid tearing. Combining compatible incontinence insert pads with pad-holding pants is another option. Pad-holding pants have no absorbent core, so use them with a pad providing the required absorbency. If using regular underwear, also check that the pad is suitable for that underwear.

Pad-holding Underwear: Types, Sizing, Pad Combinations and Precautions [2026]

Hiroshi Yagi

Ultra-thin pull-on adult diapers have an underwear-like appearance. Check each product’s instructions to determine whether to use an incontinence insert pad with it.