Krakatoa · Room up front – Krakatoa Underwear

★★★★★ 4.86 from 21,830 reviews

GUYS WHO HAD THE SAME PROBLEM

★★★★★

“I like the orange way more than I thought I would - a terrific earth tone that doesn't shout too loud. This cut lifts the giblets much better than the Vesuvius trunks, but not quite as perfectly as the Anti-gravity 1.5" trunks - sat down in them and was sincerely surprised at how functional that pouch is. Hugs the butt nicely and, most importantly, feels fantastic.”

Will T., verified buyer · Pinatubo Boxer Briefs - 5"

★★★★★

“I went on a short journey of finding the kast undies Ill ever own. I was 270lbs and due to terminal illness Im down to 170 and in sizes I never imagined. I tried a pair of saxx and meundies also and where the meundies were terribly comfortable, I was aware they were comfortable all day. My Krakatoa just felt like nothing. Like there was an invisible angel cradling the boys all day long. The waistband doesnt roll and the pouch is just right to keep you supported all day.”

Charles S., verified buyer · Pinatubo Boxer Briefs - 5"

★★★★★

“I was amazed when I put these on ... they just seem to melt on to you yet offer excellent support! Feels like you are wearing nothing. I appreciated the pouch options and instructions when ordering. I must say, I am truly impressed with the Pinatubo and will be ordering more. Give them a try...they don't disappoint!!”

scott a., verified buyer · Pinatubo Boxer Briefs - 5"

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Something not look right?

Email us at hello@krakatoaunderwear.com.

🛡️ Krakatoa First Pair Guarantee

Wrong fit on your first pair? No returns needed.

We’ll credit you the full retail value toward a new size—just cover shipping.

Or View Flat Measurement Chart ▼

How to measure: Lay your best-fitting underwear flat on a surface and measure the waist band width, then double it. Match your measurement to the highlighted Primary Match column. If in-between, size up.

Size	Listed Waist	Primary Match No Stretch	Normal Stretch	Max Stretch
XS	28–30 in	25 in	29 in	31 in
S	31–33 in	27 in	32 in	34 in
M	34–37 in	29 in	35 in	38 in
L	38–40 in	32 in	39 in	41 in
XL	41–44 in	35 in	42 in	45 in
XXL	45–48 in	38 in	46 in	49 in

micromodal v. cotton macro photo comparison

THE FINEST MICROMODAL FABRIC
Exceptional Softness and Breathability.

No synthetics here -and no PFAS.

Feel softness like never before with an ultra-premium, hand selected 95% MicroModal fabric. We source only the best Tencel MicroModal because comfort is our #1 goal. (Learn about MicroModal). We just add 5% of Spandex to allow for it to move with you.

We never skimp on the quality of our fabrics and materials, neither on the craftsmanship. These products go on your softest, most sensitive parts. We won't settle for anything less than the very best.

OUR PROMISE TO YOU

Keep your first pair, no returns needed.

If the fit isn't 100% right, we'll give you store credit for the full retail value of the product toward a new size—you just cover standard shipping.

Analyzing detailed customer feedback...

Watch Alex, tell you about our 4 different pouches.

KRAKATOA VS. OTHER BRANDS

Features	Krakatoa	Other Brands
Premium Materials
No-roll Waistband
365-Day Warranty
Multiple Pouch Options
1st Fit Guarantee	Immediate Store Credit	Have to return the product
1st Pair Discount	50% OFF	20% or Less
1st Order Shipping	$5 Flat Rate

Hear straight from our customers:

We make underwear so good guys tell us why they love them.

Close up of Vesuvius with inverted fly in Hana Green

A Pouch without Gimmicks

The Room You Deserve

I spent 59 years thinking underwear didn't matter.
Krakatoa proved me wrong.
It’s like stepping out of a Ford Pinto and into a brand-new Bentley. The pouch is a game-changer—no more sticking, just silky softness.
Don’t wait as long as I did.

Grab the Bentley of Underwear

Wide, slick, smooth, and lies flat -always.

A Waistband Above the Rest

I’m the most reluctant person on Earth to believe ads, but I bit the bullet on Krakatoa because of one claim: the waistband doesn’t fold. Two weeks in, and not a single pair has folded yet. It’s remarkable. They were right about the fit, the feel, and everything else. Don't hesitate.
These are truly the best on Earth.

Upgrade to a Waistband that Stays

So thin you'll forget you're wearing them.

The 5-Star Hotel of Comfort

I’m always looking for the best gear for my boyfriend, and I finally hit the jackpot.
He loves smooth, soft underwear with real support, and he says these are the best ones yet. They’re the 5-star hotel of underwear.
Worth every penny for the comfort alone.

Book a 5-Star Retreat for the Family Jewels

The only fly I'll use moving forward.

Game-Changing Fly Design

I spent years in the Navy searching the globe for the softest underwear.
My search ended with Krakatoa.
The material is elite, the horizontal fly is a game-changer, and I’m a customer for life.
Simply the best damn underwear I’ve ever owned.

Stop your Search, Try the Best