Say goodbye to underwear that’s just “good enough”
We deliver custom-curated underwear tailored to your personal preferences — so you’ll get “that best pair feeling,” with every pair.
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How it works
Tell us what you like
- Take the quiz, choose your fit, style, and color preference.
- We carry briefs, trunks, boxer briefs, jock straps, thongs in waist sizes 28-40.
- Our custom sizing technology ensures every pair fits just right.
Preview your box
- Preview and Refine your first box with fresh styles handpicked for you.
- Renewal boxes may be previewed 48 hours before shipment.
- Or select “Surprise me” and our expert panel will do the rest.
Get flexible shipments
- Pause, change, skip, or cancel your box at anytime.
- Reserve items from our store for your next box
- 100% satisfaction guaranteed.
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What people say
500,000+
happy members (and counting)
Well done for reading my mind this month. These fit so well and are just what I would have chosen myself. Keep up the excellent work guys!
This is the best set of underwear I've ever received. All fit well and are extremely supportive.
It's like Christmas every three months, I love opening my package!
I didn’t realize how important good underwear is - once you try on a pair that fits and feels good, there’s no going back to the department store 3 pack.
I love that I don't have to go out shopping for new underwear! It has allowed me to try new brands and fits that I didn't know of in my own home.
Really like getting designer brands, AND exclusive items only through Underwear Expert.
Well done for reading my mind this month. These fit so well and are just what I would have chosen myself. Keep up the excellent work guys!
This is the best set of underwear I've ever received. All fit well and are extremely supportive.
It's like Christmas every three months, I love opening my package!
I didn’t realize how important good underwear is - once you try on a pair that fits and feels good, there’s no going back to the department store 3 pack.
I love that I don't have to go out shopping for new underwear! It has allowed me to try new brands and fits that I didn't know of in my own home.
Really like getting designer brands, AND exclusive items only through Underwear Expert.
This service is wonderful. I came across it completely by accident, and it completely changed the way I look at my underwear.
These were some good picks! I'm always nervous for the surprise ones, but you guys did great! I am very happy!
Love your preview feature. Lets me change it up if I'm feeling a bit different this time.
Awesome selection every time!!! Thanks guys!
On the gram
We like a game of tag.
justinclynesunofficial
#underwearexpert
chrisgo8706
I say this every month, but I love my @underwearexpert delivery and I always look forward to it.
stevotrann
Surprise in the mail today!
@underwearexpert box 😍🩲
lapidustudio
Lifestyle photoshoot for @underwearexpert with @mattchew.o
