Onesie Bodysuit Black

(17 reviews) Write a Review
J black onesie
Gift wrapping:
Options available
Adding to cart… The item has been added

Discreet all black design looks like a regular t-shirt but provides discreet full coverage and noise reduction.

Fabulous cotton spandex design gives the perfect fit.

These diaper shirts provide support and hold things in place.

These fit similar to your standard shirt size.


Snap crotch. With 4 snaps

95% cotton + 5% spandex to give it the perfect fit

Made in China 


Size Chart
Size Chest Length
XS 28" 26"
Small 30" 28.5"
Medium 34" 32"
Large 36" 34.5"
XL 42" 36.5"
2XL 45" 38.75"
3XL 50" 40.75"
4XL 57 44.5"

17 Reviews Hide Reviews Show Reviews

  • 5

    Posted by Shane on 2021 Apr 15th

    For all the products out in the market place to date, these are the best quality and fits as per the description, real comfort.

  • 5
    onesie bodysuit

    Posted by nolan on 2021 Feb 13th

    good fit for a tall slim guy. works well with and without a diaper

  • 5

    Posted by Tim on 2021 Jan 4th

    Fit is great

  • 5

    Posted by Jay on 2021 Jan 1st

    If you wear diapers away from home, a onesie is an indispensable part of your wardrobe, eradicating concerns about waistline diaper exposure. They also muffle crinkling and hold everything in place.

  • 5
    Excellent quality and fabric

    Posted by Redsmig on 2020 Nov 15th

    These are the best. I highly recommend these. They do run large, I needed 1 size smaller than a normal t-shirt. Maybe 2 sizes as they stretch nicely.

  • 5

    Posted by JB on 2020 Nov 6th

    I wear this as a daily shirt among other Rearz onsies. Its so comfortable and practical! Keeps me snug and hidden.

  • 5
    great product!

    Posted by ben on 2020 Sep 10th

    This onesie fits so well, and it helps hold everything in place! Will definitely be buying more of these in the future.

  • 5
    Great product

    Posted by Duston Shepherd on 2020 Jul 25th

    This works so well to make me feel like a baby

  • 5
    black onesie

    Posted by Greg Wesenberg on 2020 Jul 16th

    vary nice fit and thay hold up over time. use them for over 1 year now just starting to show sigh's of were but not the onesie falt i em a weld for work so burn spots.