Pick your size above first. All pairs in your pack will be this size.
Pick your size first, then tap a color to add it. Choose size
Buy 4 Get 4 Free
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Buy 3 Get 2 Free
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Buy 2 Get 1 Free
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Single
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All pairs in your pack will be this size.
Size Chart
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What guys are saying 2,591 reviews
Product Details
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95% Bamboo, 5% Spandex Ridiculously soft, incredibly breathable, and naturally odor-resistant.
More Room Up Front Extra space for your goods without sacrificing support.
Supportive Fit Snug around the waist and backside, with room to breathe up front.
Stay-Flat Waistband No rolling, folding, or digging in.
99-Day Perfect Fit Guarantee
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Our underwear fits true to size, but we know sizing isn't always straightforward. If you're somewhere between a small and medium (a schmedium, if you will), order with confidence.
Try on one pair and keep the rest sealed. If the fit isn't right, we'll exchange your order for free within 99 days.
Room For The Goods
No Roll Waistband
Perfect Support
Why we're $16 a pair and they're $38 The difference is what you don't pay for: celebrity endorsements, overproduced ads, retail markup and wholesalers taking a cut. We'd rather support small creators and put our time and money into the underwear!
$16 × 8 pairs Kumori
$38 × 8 pairs Other premium brands
Frequently Asked Questions
How do I find my size?
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Check the size chart. If you are between sizes, we recommend sizing up for a relaxed fit.
View the Size Chart
How long will my order take to arrive?
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Orders ship within 1–2 business days from our warehouse in Denver, Colorado. Standard delivery takes 3–6 business days in the US.
What is your 99-day perfect fit guarantee?
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Try on one pair and keep the rest sealed. If the fit isn't right, let us know within 99 days and we'll exchange your order for free.
Can I mix colors in a pack?
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Yes. Pick a deal, then add any mix of colors until your pack is full. All pairs in a pack are the same size, and the discount is applied in the cart.
Join over 70,000 customers.
Shipped from Denver, Colorado
★ ★ ★ ★ ★
Rated 4.8/5 based on +1500 Reviews
Fantastic Fit!
"Kumori briefs are always amazing. Second time ordering and always happy with my colors!"
— Andrew H
★ ★ ★ ★ ★
"I've purchased the same brand of underwear for the last 3 years and haven't found anything else that's worth switching too until now."
Mario V. Verified Customer
★ ★ ★ ★ ★
"I saw multiple ads on both Instagram and TikTok and thought 'here we go again, another generic underwear brand' but mannnnnnnnn was I wrong!"
Edwin R. Verified Customer
★ ★ ★ ★ ★
"I loved the feel, and the support the box briefs offered. After ordering my first pair, I ordered an additional 4 pair"
Matthew W. Verified Customer
★ ★ ★ ★ ★
"They're lightweight, breathable, supportive without feeling tight, and somehow they're both really comfortable and sexy."
Eli C. Verified Customer
Reviews
★★★★★ 4.8 out of 5
Based on 2,591 reviews
5 star 2291
4 star 144
3 star 63
2 star 25
1 star 68
★★★★★ This week
Unmatched
Best underwear I've ever worn
★★★★★ This week
Great Underwear
I own 8 pair. Does that tell you something?
★★★★★ This week
Love them!
Super soft, super supportive/not too tight, and super sexy! One of my husband and I's new favorite brands.
Read all 2,591 reviews
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