Super Undies 3-in-1 Waterproof Undies - A Diaper, Trainer and Swim Diaper in 1

Super Undies 3-in-1 Waterproof Undies - A Diaper, Trainer and Swim Diaper in 13 in 1 Diapers for Big Kids are a great option for people who need a diaper that runs above the size 7 stocked in grocery stores for teen incontinence. By itself it acts like a training pant, but add in a liner and you've got a waterproof cloth diaper for big kids! They sport a normal waistband, making sure no one knows what they are if they peak out. And of course, there is absorbency already built in. Super Undies specializes in helping with potty

3-in-1 Diapers for Big Kids are a great option for people who need a diaper that runs above the size 7 stocked in grocery stores for teen incontinence. By itself it acts like a training pant, but add in a liner and you've got a waterproof cloth diaper for big kids! They sport a normal waistband, making sure no one knows what they are if they peak out. And of course, there is absorbency already built in.

Super Undies specializes in helping with potty training autistic children by providing the necessary feeling of wetness. These underwear get used for many reasons: delayed potty training, spina bifida, angel man's syndrome, Chiari malformation, neurogenic bladder, voiding dysfunction, and many others.

The 3-in-1 Diapers can be used as training pants (out of the box), a cloth diaper (with a liner), or as a swim diaper (as is). 

• Features:  Waterproof through the wet zone front and back, slim and trim appearance, 2 layers of built-in microfiber absorbency, internal pocket to add more absorbency
  
• Fragrance and chemical free
• Include preference for Super Soaker Bombs or Super Soaker Liners in the order special instructions
• Made in USA
• This item is being sold through Shopify Collective and is not available in store

Benefits

• Allows children to feel wetness
• Supports body awareness
• Helps strengthen the brain–bladder connection
• Encourages progress in delayed potty training, especially for autistic children or kids with sensory differences

Specs for Diapers

Size Dimensions

Small: 18-20" Waist | 12" Legs | Typical Age 3-4 y | Absorbs 150ml without added inserts

Medium: 20.5-23" Waist | 13" Legs | Typical Age 5-7 y | Absorbs 200 ml without added inserts

Large: 23-25" | 14" Legs | Typical Age 7-10 y | Absorbs 250 ml without added inserts

XL: 25-17" | 16" Legs | Typical Age 10+ y | Absorbs 300 ml without added inserts

Absorbency

Small: Absorbs 150 ml without added inserts

Medium: Absorbs 200 ml without added inserts

Large: Absorbs 250 ml without added inserts

XL: Absorbs 300 ml without added inserts

Materials

Outer PUL and Tabs: 100% Polyester, with heat-based lamination, which is chemical free and a healthy and eco-friendly alternative to the standard glue-based PUL.

Inner: 100% Polyester microfiber, custom formulated for Super Undies with no chemicals

Return Policy for Shopify Collective Items

We want you to love what you order. If something isn’t quite right, you can return eligible supplier‑fulfilled items within 30 days of delivery, based on Shopify Collective’s default return policy.

How returns work
Because these items ship directly from our partner brands, the supplier handles the return. When you request a return, the supplier is notified and will send you a return shipping label—usually within their standard 2‑day processing time. 

Fees & Shipping
Under Shopify’s default settings, suppliers typically charge no return label or restocking fees. Your return will go straight back to the supplier’s warehouse. 

Refunds
Once the supplier receives and approves the returned item, your refund is processed automatically to your original payment method.