Pro Ultra Boxer Brief: Nautical Blue

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The 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

Breathable mesh

Friction-free smooth finish

Ionic+® anti-odor tech

Premium no-roll waistband

Chafe-free flatlock stitching

This 6.5" 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. Sale items are final sale and cannot be returned for a refund or exchange. 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.