Members Always Get Free Shipping and Returns on US Orders
Why stop at lounge pants when you can feel MeUndies goodness all over?
Unisex Onesie
Why stop at lounge pants when you can feel MeUndies goodness all over?
Size Guide

Size | XXS/XS | XS/S | S/M | M/L | L/XL | XL/2XL | 3XL/4XL |
---|---|---|---|---|---|---|---|
Chest (in) | 28-31 | 31-34 | 34-37 | 37-43 | 43-47 | 47-50 | 50-53 |
Low Hip (in) | 31-34 | 34-37 | 37-40 | 40-43 | 43-48 | 49-51 | 51-54 |
Height (in) | 4'4"-4'10" | 4'10"-5'2" | 5'2"-5'8" | 5'8"-6'1" | 6'1"-6'5" | 6'1"-6'5" | 6'1"-6'5" |
Size | XXS/XS | XS/S | S/M | M/L | L/XL | XL/2XL | 3XL/4XL |
---|---|---|---|---|---|---|---|
Chest (cm) | 71-79 | 79-86.5 | 86.5-94 | 94-109 | 109-119.5 | 119.5-127 | 127-134.5 |
Low Hip (cm) | 79-86.5 | 86.5-94 | 94-101.5 | 101.5-109 | 109-122 | 122-129.5 | 129.5-137.2 |
Height (cm) | 132-147 | 147-157 | 157-172 | 172-185 | 185-196 | 185-196 | 184-196 |
Fit
"This product Runs normal"
Unsure of What Size to Buy?
Reach out to our CheekSquad at meundies.com/help so we can help you find the perfect size.
Return Policy
If you're not satisfied with any product for any reason, just reach out to the CheekSquad for a full refund or exchange. No caveats. No questions. No worries.
Serial Chillers
If you opt for a onesie, we think you’ve got it all figured out. You’re literally zipping up happiness all over your body. It’s like being coated in our softer-than-soft Undies. It’s honestly heavenly, so do yourself a favor.
Our softer-than-soft MicroModal literally grows from trees. Sustainably-sourced beechwood fibers are spun into a yarn to create a natural fabric that is not only super-soft, but breathable, static-resistant, and impossibly cozy.
It’s All In the Details
- 92% MicroModal, 8% Elastane
- Tapered cuffed leg
- Center front zipper
- Hood with a drawstring
- Relaxed fit
- Ethically Sourced
- Low Impact Dyes
- Natural, Sustainable, Breathable Fibers
- Imported Under Fair Working Conditions
Free Shipping on US Orders $50+ and Free Returns
Members Always Get Free Shipping and Returns on US Orders
Orders are processed within 1-2 business days. Expected arrival times vary by location.