Krakatoa Intro Trunk - $10

The Anti-Gravity Trunk is designed with a 2" inseam. The legs are designed to stay put, but can ride up a little depending on activities. The pouch is designed to be large enough to provide you room, while being double layered to also provide support and privacy for your privates. All of this is benefited by our use of MicroModal which is incredibly lightweight and breathable.

What if I'm in between sizes?

What's MicroModal fabric?

Why such a big pouch?

When will my item ship? How long will it take to arrive?

What is your returns and refunds policy?

How do I wash my Krakatoa?

What's your 52 Wash Guarantee?

A FABRIC TO OVERLOAD THE SENSES

Your skin never felt a fabric so soft and welcoming before. Three times softer than cotton, our high-grade, environmentally-conscious MicroModal fabric will make you rethink cotton and synthetics forever.

A POUCH FOR ALL OF US

Large, round, and deep support, without uncomfortable lift. Naturally odor resistant, it separates and cradles you, so you won't need to adjust anymore. Its double-panel construction keeps your privates more private.

A WAISTBAND THAT IS PURE LUXURY

Smooth and soft to the touch, the unflippable waistband won't mark your skin and keep you comfortable all day. To complement the art outside the waistband, its interior has positive affirmations to get you going at every break.

Customer Reviews5.0Based on 192 Reviews5 ★96% 1854 ★3% 63 ★1% 12 ★0% 01 ★0% 0100reviewers would recommend this productWrite a ReviewAsk a Question

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• Underwear
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Henry B.I recommend this product

EXCELLENT PRODUCT

Without a doubt, the most comfortable underwear I’ve ever worn. No downside. None. Nada.

Anti-Gravity TrunksWaist 38"-40" (L) / Pure BlackShareWas this helpful? 0 0Glen R.I recommend this product

GREAT PRODUCT

Thought I’d give them a shot, and as soon as I wore the first pair I ordered more. Was a Tommy John fan now I’m a Krakatoa fan.

Anti-Gravity TrunksWaist 34"-37" (M) / Lake BlueShareWas this helpful? 0 0Blaine W.I recommend this product

IMPRESSIVELY COMFORTABLE TRUNKS

Alex was extremely helpful and friendly in making sure I received the correct size, and I’m now LOVING the ultra-soft feel of my new Krakatoa Anti-Gravity Trunks! I’ll be purchasing additional pairs for sure.

Anti-Gravity TrunksWaist 38"-40" (L) / Lake BlueShareWas this helpful? 0 0Brian K.I recommend this product

BEST UNDERWEAR INVESTMENT EVER.

I think these are some of the most thought out men's underwear to date. They hug in the right places, they support in the right places, they don't ride up, the fabric breathes, the fabric is silky smooth, and they look good.

I waited to give a review until I tried out a couple of pair from my first order....my review is that I just placed my second order today. I bought enough to get rid of all my standard "name brand" underwear.

If you try them, you won't go back.

Anti-Gravity TrunksWaist 34"-37" (M) / Lake BlueShareWas this helpful? 0 0James M.I recommend this product

NO BRAINER!

I stepped away from cotton a decade ago. I've been trying to find the right fit and fabric. I'm active and all sorts of outdoor sports. I recently purchased the mix, briefs, boxers and trunks. Hard to pick my favorite, because they all feel exceptional. hardly know they're on and yes everything stays where they're suppose to. I'll be buying more. looking forward to wider color and pattern options.

Anti-Gravity TrunksWaist 38"-40" (L) / River GreenShareWas this helpful? 0 0KURT M.I recommend this product

EXCELLENT UNDIES

The colors, the soft material, the comfortable fit all make for a perfect pair of underwear. Like wearing nothing at all. These arent your dads tighty whities. Treat yourself, you'll not regret it.

Anti-Gravity TrunksWaist 41"-44" (XL) / Glacier BlueShareWas this helpful? 0 0Arron T.I recommend this product

GOODBYE LULULEMON

Finally an alternative to Lululemon. I live in Southern California, just finished a trip out the the desert. These chonies blow every other company out of the water. Didn’t have to worry about pulling anything out of box canyon the whole trip.

Anti-Gravity TrunksWaist 28"-30"(XS) / Lake BlueShareWas this helpful? 0 0Todd M.I recommend this product

BEST OF SEVERAL

I have tried various types, and one type is almost as good as Krakatoa. Let's say 7 out of 10 with these being a 10. I wish I could describe what it feels like to have these on. But then you might think some corporate person wrote a fake review. Just buy one pair ... and most likely you'll be buying more.

Anti-Gravity TrunksX-Large: 41"-44" / Pure BlackShareWas this helpful? 0 0albert a.I recommend this product

UNBELIEVABLE UNDERWEAR!

First let me start by saying how amazed I was at your customer service. Received my first pair of underwear and I mistakenly ordered the wrong size. Contacted your company and was greeted with an email from Alex whom I believe is the ceo. Not only did he replace the underwear that I mistakenly ordered, he included a gifted pair for somebody else to try his amazing undergarment. Not only are these the most comfortable underwear I've ever owned, Alex and his company are unmatched in customer service. What a pleasure dealing with a business professional. I highly recommend this product. Thank you so much for your time and understanding. Love your products

Anti-Gravity TrunksLarge: 38"-40" / Lake BlueShareWas this helpful? 0 0Mahlon B.I recommend this product

ANTI-GRAVITY TRUNKS

I'm not sure how you did it, but these trunks are by far the most comfortable trunks I have ever worn. The fit is perfect, the feel is super smooth, and the look is top drawer. Nicely done. I'd buy more if you had then in white...

Anti-Gravity TrunksSmall: 30"-33" / River GreenShareWas this helpful? 1 0Daniel S.

GRAB YOURSELF A PAIR (OR THREE)

I love these trunks. Most of the time, I don't even notice I'm wearing underwear. I also wore them almost two days in a row, during which time I went on a long hike, and afterward did a smell test. I was amazed to discover they didn't stink at all (but I don't plan to pursue my experiment any further, hehe). I plan on picking up several more pairs.

Anti-Gravity TrunksSmall: 30"-33" / Midnight BlueShareWas this helpful? 2 0Justin J.I recommend this product

NEW UNDIES

100% 10/10 would buy again. super comfy, looks hot wears cool. Sizing is true to waist size actually fits my boys!!

Anti-Gravity TrunksWaist 34"-37" (M) / Glacier BlueShareWas this helpful? 0 0Nikolas F.I recommend this product

GREAT FOR RUNNING

I came across these while searching for a way to slow down the sweaty chafe from long summer runs. Most briefs are too long and hang out below my running shorts. Others are too baggy or heavy and encourage an uncomfortable swamp. The ones that do seem to work are very tight, making for a restrictive discomfort that begs me to remove them immediately post run.
Alex’s Anti Gravity Trunks are short, but just long enough to cover the section of thigh that rubs, and they are as comfortable on a 20 mile Sunday run as they are at a backyard bbq or sitting on your couch watching The Open.
I bought three pairs last week and am considering replacing all of my underwear with these trunks, but I’m still trying to gauge whether my wife finds them sexually attractive or comically small.

Anti-Gravity TrunksWaist 28"-30"(XS) / Midnight BlueShareWas this helpful? 0 0JAY B.I recommend this product

LOVE THE TRUNKS

These are some of the most comfortable trunks that I've ever got. Highly recommended

Anti-Gravity TrunksWaist 41"-44" (XL) / Midnight BlueShareWas this helpful? 0 0juris s.I recommend this product

SUPER COMFY!

Very soft and comfortable. Would highly recommend!

Anti-Gravity TrunksWaist 34"-37" (M) / Lake BlueShareWas this helpful? 0 0Ryan S.I recommend this product

COOL TRUNKS

Cool trunks, keep your trunk cool and in place ;D

Anti-Gravity TrunksWaist 30"-33" (S) / Glacier BlueShareWas this helpful? 0 0John F.I recommend this product

GREAT FIT

Well constructed, nice style, good waist band, and holds the package well without binding pressure.

Anti-Gravity TrunksWaist 30"-33" (S) / Lake BlueShareWas this helpful? 0 0Brian N.I recommend this product

ANTI-GRAVITY UNDERWEAR

It’s great! Nice material and good craftsmanship. A little pricey at $20 a pair. Otherwise I am a satisfied customer. Thank you.

Anti-Gravity TrunksWaist 38"-40" (L) / Midnight BlueShareWas this helpful? 0 0Charles G.I recommend this product

BEST UNDERWEAR EVER

Absolutely love them, perfect fit.Love how they don't stretch out, how comfortable they are and how they hold everything in place.

Anti-Gravity TrunksWaist 34"-37" (M) / Midnight BlueShareWas this helpful? 0 0Brian C.

LOVING THE FIT

Loving them

Anti-Gravity TrunksWaist 28"-30"(XS) / Midnight BlueShareWas this helpful? 0 0

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© 2023 Krakatoa Underwear | | You deserve better underwear

Accordion with image

Our sizes run pretty true and the materials do have stretch to them.

But if you're not sure which size is going to be the best for you, consider these three things:- Your waist in inches (pants size is OK).

- If your legs touch at the thighs.
- If you have a small, normal or large butt.

If your legs touch and your butt is large, you might jump a size.

If you have a small butt and thin legs, you can downsize.

In a word. Soft.

Really soft, our MicroModal is hand-selected to be of the highest grade available.

MicroModal is a modern technical fabric that is manufactured with cellulose from renewable Beechwood trees. Compared with Cotton, it's odor-resistant, 3 times softer, 50% more breathable, and it's not nearly as polluting or water-wasting.

Men come in all different shapes and sizes but for years underwear failed to respect our anatomy.

Our pouch is designed for the majority of men out there to accommodate and coddle. It's a blend of being soft with some stretch where needed, but also supportive for all day comfort. You won't need to adjust yourself anymore, because sticking to your legs is a thing of the past.

Please allow 2-4 days for processing, and the usual shipping times from the USPS or UPS: inside the US you can expect to see your package between 3-6 days.

We'll send you a confirmation email with your tracking information as soon as it ships.

If you have any questions or don't receive an email, feel free to reach out via our Contact Us Page.

Our number one goal is that you're happy with your purchase.

If something doesn't fit right on your regular priced Krakatoa, let us know and we will make it right.

Try on a pair and make sure it's perfect in you. If it doesn't work for you, your first regular priced pair is covered.

After this first pair, all underwear must be unworn, unwashed, in the original condition and packaging that you received them for a refund.
If you bought multiple pairs, make sure you try ONLY ONE PAIR for fitting before you decide to use the rest.

INTRO PAIRS ARE FINAL SALE AND NOT RETURNABLE.

Krakatoa is quite resistant to shrinking and fading, but machine-washing them in cold water using the delicate setting and drying in low heat will keep them looking fresher for longer.

Please do not bleach, iron, or dry clean your boxer briefs or trunks. You can also wash it by hand and lay it flat to dry, for great results.

We've built a tough product with reinforced stitching that lays flat and the very best materials we could get our hands on.

That said, you should follow the care instructions.

We provide a 52 Wash Guarantee which is triggered by either 52 washes or 12 months from the date of purchase. If your item has any structural damage before 52 washes or 12 months, we'll replace them for free.