Name: Pro Ultra Boxer Brief 8”: Black
Brand: BN3TH
SKU: M121074-028-XS
Price: 38.0 USD
Availability: InStock
Rating: 5.0 (4 reviews)

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XXL

Color:

Qty:

The award-winning Pro Ultra is designed for max intensity and elite performance with super premium, lightweight fabric that is highly breathable, supportive, and silky smooth. These Boxer Briefs feature The Original 3D Pouch to ensure everything is separated and supported so you can always put your best foot forward.

The fabric is a breathable, moisture-wicking polyester blend mesh featuring Ionic+® anti-odor technology that does not wash out.

Fabric: 84% Recycled Polyester, 16% Spandex

The Original 3D Pouch

Friction-free smooth finish

Ionic+® Anti-Odor Tech

Premium No-Roll Waistband

Chafe-Free Flatlock Stitching

This 8" inseam Boxer Brief has a secure feeling fit.

View Size Guide

All BN3TH fabrics are soft and made from a performance stretch fabric. If your measurements are between sizes, select a larger size for a looser fit or a smaller size for a tighter fit.

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Free standard shipping is available on all orders above $75 (after discounts and before taxes).

All available shipping options will be visible at checkout. We ship orders within 1-2 business days, but this can increase during promotional periods.

We offer a 30-day return window for all purchases made directly through our website. To submit a return request, please use our online portal: returns.bn3th.com .

For more information, check out our Frequently Asked Questions page.

ENGINEERED COMFORT

WHY WE MADE THIS

The Pro Ultra is our highest-performance, lightweight fabric in our line. It is all about max performance for whatever your training pursuit is - run, bike, hike, lift...We have you covered with the best in class performance Boxer Briefs.

SUSTAINABILITY MATTERS

Made with post-consumer recycled polyester fabric and elastic, this product is certified to the Global Recycled Standard (GRS).

OEKO-TEX® certified fabrics guarantee that our end products are tested and proven free from harmful toxic chemicals.

Overall rating: 5.0 / 5 from 5 reviews.

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Reviews

Best Boxer Briefs Around

"My husband is THE pickiest person on the planet. He is exceptionally particular about how clothing fits, feels and moves. We searched for MONTHS to find the right pair of boxer brief that met all his needs and standards - and finally found B3NTH! Everything was exactly what he was looking for. Length, fit, style, support, breathability, comfort, etc. We were so happy!! The ONLY issue is they are now out of stock and we have no idea when they'll be back - please let us know the minute they arrive because we're stocking up for life!!!"

— Jessi (5/5)

Great but issues with durability

"My favorite underwear ever but I walk 20k plus steps a day so they only last me around 6 months"

— Brandon H. (5/5)

Best pouch ever

"MUST BUY super high quality all day comfort I tried the classic kind first and loved them so I ordered these for the gym and high activity and they fit so good and comfy all day super nice length"

— Julian H. (5/5)

Digging these!!

"Seriously, could not be more impressed than I am right now! The fabric on these is next level, the comfort is life-changing, and the fit is on point. Highly recommended to friend family neighbor even someone I don’t even know off the street!!!"

— Michael H. (5/5)

Great

"Fits great"

— Brian S. (5/5)

Black

Size Guide