Looks familiar. Feels completely different.
An elastic-free waistband with an adjustable drawstring delivers a comfortable, controlled fit.
Description
Comfort without pressure
iB Underwear is designed to feel different from the first wear. The elastic-free waistband replaces tight pressure with an adjustable drawstring, giving you a secure fit without digging in. Most customers end up wearing these as their everyday pair.
Built for everyday wear, these are made to stay comfortable whether you’re sitting, moving, or just going about your day.
What makes them different
-
Elastic-free waistband
No tight band around your waist—just a comfortable, adjustable fit. -
Adjustable drawstring
Holds securely without slipping or adding bulk. -
Soft, cotton double-knit fabric
Finished with a durable nylon drawstring. -
Made for daily rotation
Comfortable enough to wear all day, every day.
Who they’re for
If you’ve ever noticed discomfort from tight waistbands—especially when sitting, after eating, or during long days—these are designed to fix that.
Many customers also find them helpful for sensitivity related to bloating or IBS, but most simply switch because they feel better.
Simple difference, noticeable comfort
Once you wear them, the difference is hard to ignore.
Size Guide
Designed to fit true to size after the first wash. Between sizes? Size up for a more relaxed fit.
| Size | Waist (inches) |
|---|---|
| S | 28 - 30 |
| M | 32 - 34 |
| L | 36 - 38 |
| XL | 40 - 42 |
| XXL | 44 - 46 |
Returns/Exchanges
Returns & Exchanges
We cover shipping on all returns and exchanges.
Returns
- 30-day returns on unused items
- Easy to start through your account
Exchanges
- Free size exchanges within 30 days
- Slightly worn items are okay for exchanges
We recommend washing and trying one pair first before opening the rest.
How to start
Log into your account, select your item, and follow the steps.
For exchanges, include your new size in the notes.
Questions?
Start a chat or email us at info@ibunderwear.com
A Better Waistband, Designed Around Comfort
iB Underwear combines classic boxer brief construction with a more comfortable, adjustable waistband.
Premium Drawstring
A soft, durable woven drawstring with a premium finish.
Soft Cotton Comfort
Made from premium cotton double-knit fabric for a soft feel and all-day comfort.
Quality Craftmanship
Precision stitching for lasting durability you can count on.