Best Men’s Underpants for Judo and Martial Arts Training in 2025

Posted by Paul Souliac on April 13, 2025

Finding the right underpants for Judo or martial arts isn’t just about comfort—it’s about performance. The wrong pair can lead to chafing, restricted movement, or even distractions mid-spar. In 2025, advancements in fabric technology and design have redefined what athletes need. Let’s break down the essentials.

When selecting underwear for intense grappling sessions, moisture-wicking fabrics and ergonomic designs are non-negotiable in 2025. For athletes seeking gear that combines breathability with unrestricted motion, explore our curated collection of the best men's underwear for Judo and martial arts training, featuring compression liners and anti-microbial finishes. For a deeper dive into fabric innovations and fit guidelines, our guide on the best men underwear for Judo & martial arts training breaks down how seamless construction and strategic ventilation enhance performance during high-impact drills.

Our Products

Try RMAC Today!

If you're interested in experiencing the comfort and style of RMAC underwear, visit our store to explore our collection and take advantage of our Best Fit Quiz to find your perfect fit.

Why Your Underwear Matters in Martial Arts

Martial arts demand agility, flexibility, and focus. Underpants that ride up, trap sweat, or lack support can throw off your game. Here’s what to prioritize:

Moisture-wicking fabrics to keep you dry during intense sessions.
Four-way stretch for unrestricted kicks, grapples, and rolls.
Secure pouches that prevent shifting during high-impact movements.
Seamless designs to avoid chafing and irritation.

Top Features to Look For in 2025

1. Fabric and Material

Modern martial arts underwear relies on blends of polyester, nylon, and spandex for breathability and durability. Cotton, while soft, absorbs sweat and stays damp—a recipe for discomfort.

Fabric Type	Benefits	Ideal For
Polyester/Nylon	Quick-drying, sweat-wicking, durable	Grappling, Judo, BJJ
Merino Wool	Natural odor resistance, temperature control	Long training sessions
Modal/Elastane	Ultra-soft, stretchy, breathable	Yoga, Tai Chi

2. Fit and Support

A snug-but-not-tight fit prevents ride-up while allowing full range of motion. Brands like RMAC use a Real Pouch System (sizes A-D) to customize support based on body type.

Compression shorts offer muscle support and reduce fatigue.
Gusseted crotches eliminate seam pressure during splits or high kicks.

3. Moisture Management

Sweat can weigh you down and cause rashes. In 2025, top-performing options use:

Silver-ion treatments to combat odor-causing bacteria.
Airflow channels that pull moisture away from the skin.
Quick-dry tech so you’re ready for back-to-back sessions.

Did You Know? A 2024 study found athletes using moisture-wicking underwear reported 40% less chafing during sparring.

Best Men’s Underpants for Judo and Martial Arts Training in 2025

RMAC - Best Underpants for Hot Weather in 2025

Modal 7in Boxer Briefs No Fly 6pk Black/Dark Gray/Navy

Description (Modal 7in Boxer Briefs No Fly 6pk Black/Dark Gray/Navy):

Features:

Tailored Pouch Sizes: Discover unmatched comfort and support with four customizable pouch sizes (A, B, C, D) designed just for you.
Moisture-Wicking Modal: Our expertly crafted modal fabric whisks away moisture effortlessly, keeping you cool and dry in any situation.
Sturdy Waistband: Enjoy the peace of mind that comes with a no-roll waistband, securing fit regardless of your movements.
Irritation-Free Design: Say goodbye to annoying tags with our tagless design that enhances your comfort.
Unrestricted Flexibility: With a blend of nylon and spandex, these briefs adapt to your every move, providing all-day comfort without chafing.

Description:

Gentlemen, elevate your underwear experience with our Real Men Boxer Briefs—crafted to embrace your assets with divine comfort. Choose from four tailored pouch sizes (A, B, C, D) that offer a bespoke fit and redefine traditional underwear standards. Why settle for the ordinary when you can pamper your crown jewels with the luxury they truly deserve? Upgrade to a life of freedom and comfort—it's time to let your confidence soar!

Product Care:

Composition: 92% Modal, 8% Spandex
Machine wash cold
Gentle cycle
Avoid bleach
Tumble dry on low

Discover Also:

-Nylon Seamless 7in Boxer Briefs No Fly 3pk Black/Heather Gray/Slate Green

-Nylon 9in Boxer Briefs V-FLY 3pk Black

-Modal 7in Boxer Briefs No Fly 3pk Black/Blue/Gray

-Modal 7in Boxer Briefs V-FLY 3pk Black/Cyan/Gray

-Modal 3in Boxer Briefs No Fly 3pk Heather Gray/Slate Gray/White

-Click here to see more Boxer Briefs

Nylon 0in Sport Briefs No Fly 4pk Blue/Gray/Dark Blue/Dark Gray

Description (Nylon 0in Sport Briefs No Fly 4pk Blue/Gray/Dark Blue/Dark Gray):

Features:

Custom Fit: Experience a personalized fit with our sport briefs, available in four pouch sizes (A, B, C, D) to perfectly suit your body’s contours.
Moisture-Wicking: Designed with moisture-wicking fabric, these briefs ensure you stay cool, dry, and fresh throughout the day.
No-Roll Waistband: Enjoy the convenience of a medium-rise waistband that remains securely in place, preventing any rolling or bunching for optimal comfort.
Flexible Support: Crafted from stretchy materials, these briefs provide the ideal combination of support and flexibility to move with you during any activity.

Description:

Ladies and gents, get ready to rev up your comfort with Real Men Sport Briefs, engineered to elevate your daily wear to a whole new level. Offering four pouch sizes (A, B, C, D), these briefs are tailored like a trusted pit crew, ensuring your prized possession is both supported and comfortable. Slip into unmatched comfort and performance—winning the Daytona 500 of comfort with each wear. Say goodbye to mundane underwear and hello to a whole new kind of champion-level comfort.

Product Details

Material: Composed of 90% nylon and 10% spandex for ultimate comfort and durability.
Care Instructions: Machine wash cold, use a gentle cycle, avoid bleach, and tumble dry on low for long-lasting wear.

Discover Also:

-Modal 0in Briefs No Fly 3pk Blue/Gunmetal Gray/Heather Gray

-Modal 0in Briefs No Fly 3pk Pink/Purple/Turquoise

-Click here to see more Briefs

Nylon 0in Low-Rise Bikini Briefs No Fly 3pk Black/Gray/White

Description (Nylon 0in Low-Rise Bikini Briefs No Fly 3pk Black/Gray/White):

Key Features:

Tailored Fit: Choose from four customized pouch sizes (A, B, C, D), ensuring personalized support and comfort tailored to your needs.
Breathable Fabric: Crafted from lightweight nylon fabric, these briefs efficiently wick away moisture, keeping you cool and dry all day long.
Secure Waistband: Featuring a no-roll, low-rise waistband, these briefs promise a secure fit that won't roll or dig into your skin.
Tag-Free Comfort: Say goodbye to irritation with our tagless design, enhancing your comfort experience.
Flexible Movement: The combination of ice silk nylon and spandex allows freedom of movement, preventing chafing or riding up, so you can move effortlessly.

Product Care Instructions:

Material Composition: 90% Nylon, 10% Spandex

Machine wash in cold water
Use a gentle cycle
Avoid bleach
Lay flat to dry

Discover Also:

-Modal 0in Bikini Briefs No Fly 3pk Black/Blue/Gray

-Modal 0in Low-Rise Bikini Briefs No Fly 3pk Emerald/Purple/Red

-Modal 0in Bikini Briefs No Fly 1pk Black

-Nylon 0in Mesh Bikini Briefs No Fly 3pk Black/Blue/Gray

-Click here to see more Bikini Briefs

Nylon 0in Strapless Jocks No Fly 3pk Red/Green/Purple

Description (Nylon 0in Strapless Jocks No Fly 3pk Red/Green/Purple):

Features:

Strapless Innovation: Enjoy unparalleled freedom and ease of movement with a strapless design that provides essential support without the cumbersome bulk of traditional jockstraps.
Breathable Performance Fabric: Crafted from a lightweight, moisture-wicking nylon-spandex blend, this fabric keeps you cool and dry throughout any activity.
Secure No-Roll Waistband: Experience all-day comfort with a waistband that stays securely in place, eliminating the need for constant adjustments.
Flexible Comfort: The stretchy fabric moves seamlessly with you, offering flexibility while preventing chafing or irritation for ultimate comfort.

Description:

Get ready for a game-changer, gentlemen! Introducing the Real Men Strapless Jocks - redefining comfort and support without the hassle of straps. Slip into these jocks to experience the blissful feeling of having your assets comfortably supported, liberating you from the confines of traditional jocks. Say goodbye to outdated styles and hello to freedom!

Product Details

Material Composition: 90% Nylon, 10% Spandex
Care Instructions:

Machine wash cold with like colors
Avoid bleach
Tumble dry on low
Cool iron if needed

Discover Also:

-Nylon 0in Strapless Jocks No Fly 1pk Gunmetal Gray

-Nylon 0in Strapless Jocks No Fly 1pk Cyan

-Nylon 0in Strapless Jocks No Fly 1pk Red

-Nylon 0in Strapless Jocks No Fly 1pk Purple

-Click here to more Jocks

Discover our best Leggings

Under Armour Men's UA Tech 6-Inch Boxerjock

These boxer briefs are made from a soft, breathable polyester and elastane blend with four-way stretch, providing flexibility and comfort. They are sweat-wicking and quick-drying, making them ideal for intense workouts.

Mack Weldon AIRknitx Boxer Briefs

Featuring lightweight, moisture-wicking, and odor-blocking properties, these boxer briefs are designed with strategic mesh zones for enhanced airflow, keeping you cool and dry during training sessions.

Nike Dri-FIT Ultra Stretch Micro Trunks

Designed with super flexible four-way stretch fabric and excellent moisture-wicking capabilities, these trunks provide comfort and support, making them suitable for martial arts training.

Bamboo Cool Men's Underwear

Crafted from breathable bamboo viscose with added spandex, these boxer briefs offer a cooling effect and are sweat-wicking, ensuring comfort during rigorous activities.