Pinatubo Briefs
Pinatubo Briefs
Save 10% when you buy 3+
Save 20% when you buy 7+
95% MicroModal, Stay Flat Waistband, Deep Pouch
📦 Orders ship within 1-2 business days
- FREE SHIPPING ON ORDERS OVER $75+
- 1ST ORDER FIT GUARANTEE
- 52 WASH GUARANTEE
PINATUBO BRIEFS
The Pinatubo Brief with a horizontal fly, with an extra roomy pouch, is the Brief you were looking for.
An extra-deep front pouch with a super slick horizontal fly, that was engineered for easy access and excellent comfort, will keep you supported without fuss.
Form-fitting ultra-premium MicroModal fabric holds you softly and leaves you feeling fresh all day.
Wide and ultra-smooth waistband won't flip or mark your skin.
40% less material between the legs.
52 Wash Guarantee. Because we can.
Find your size
You'll need a a pair of your existing underwear, a flat surface, and a measuring tape.
WHO ARE PINATUBO BRIEFS PERFECT FOR?
The Pinatubo Briefs with a fly are perfect for active guys that prefer as little material between their legs as possible, and need easy access to the goods.
A supportive extra-large front pouch with 40% less material between the legs make for some of the best fitting Briefs on the market.
Need a little more leg coverage? Check our our Boxer Briefs with with 7" inseam, and our Trunks which have a 2" & 1.5" inseams for more choice. Whether you're working out or going for a night out, these Briefs are so comfortable you'll forget you're wearing them.
WHAT MAKES THEM KRAKATOA?
- Feel softness like never before with an ultra-premium, hand selected 95% MicroModal fabric. We source only the best MicroModal because comfort is our #1 goal. (Learn about MicroModal). We then blend the MicroModal with 5% Spandex to allow for it to move with you.
- Enjoy more room with a large front pouch that provides space and support for your cargo, with complete separation from your thighs. No need to adjust anymore.
- Feel comfortable all day with a waistband that doesn't flip or fold.
- And keep them longer with the peace of mind of our 52 Wash Guarantee.
COMPARE OUR BRIEFS
WHAT'S GREAT FOR THE WEARER?
The Pinatubo Briefs with a fly are specifically designed for maximum comfort and accessibility. They work well for a variety of activities, from working out to lounging around, they can take on anything you throw at them. Once you make the decision to embrace this everyday luxury for your privates, getting dressed in the morning will never be the same again.
Great for: Walking, Hiking, Lifting, Exercising, Yoga, Lounging.
HEY ALEX, I HAVE QUESTIONS!
What should I know about the fit?
The Anti-Gravity Brief does not have an inseam and the fabric between the legs is 40% narrower for an all day comfortable feel that won't bunch up. 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?
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.
What's MicroModal fabric?
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.
Why such a big pouch?
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.
When will my item ship? How long will it take to arrive?
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.
What is your returns and refunds policy?
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.
How do I wash my Krakatoa?
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.
What's your 52 Wash Guarantee?
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.
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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.
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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.
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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.
- Greg M.Verified BuyerYesterdayRated 5 out of 5 starsSupport!
Love the support that these give me and freedom.
Was this helpful? - Matthew5 days agoRated 5 out of 5 stars5 Stars
Amazing underwear!
Was this helpful? - Ande A.Verified Buyer1 week agoRated 5 out of 5 starsAwesome briefs
Great fit and very comfortable. Comparable to Jack Adams Air Army briefs. Krakatoa is better and more room for your junk.
Was this helpful? - L1 week agoRated 5 out of 5 stars5 Stars
I dislike the fact that I like these so much …. I’ll be buying another pair.
Thank you Alex, for the recommendation.
Was this helpful? - Tim2 weeks agoRated 5 out of 5 stars5 Stars
Love them my new favorite
Was this helpful? - Justin A.Verified Buyer2 weeks agoRated 5 out of 5 starsNew favorites
Started out with just trying a pair and ended up coming back for several. Love the cut and the fabric is the best.
Was this helpful? - Darian Y.Verified Buyer2 weeks agoRated 5 out of 5 starsGreat Briefs
These are some of the most comfortable underwear I have worn. Nothing smashed and everything in its place.
Was this helpful? - Frank S.Verified Buyer2 weeks agoRated 5 out of 5 starsLove them!
Put Krakatoa to the test by ordering a few different styles. Happy to say, they have not disappointed. So far, everything has been high quality and very comfortable.
One thing I will say - I was between waist sizes and sized up. Knowing how they run, I will size down in the future.
Was this helpful? - Robbie A.Verified Buyer2 weeks agoRated 5 out of 5 starsFeel great!
They really feel as though you have no underwear on at all! Such a great fit and feel to the fabric and I'm inspired everytime I take a dump because of the waist band. Sometimes you just need that! Seriously, great product! I am in the process of changing out every pair for these.
Was this helpful? - Edgar G.Verified Reviewer2 weeks agoRated 5 out of 5 starsSexy and comfy
Love the briefs. Had scrotal pain on and off for years. Dr recommended I wear briefs. These support. And make me feel sexy.
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