Best Lightweight Sports Underwear for Men of 2026

Name: Runderwear Mens Running Long Boxer - Anti-chafing Underwear, Mens Long Leg Boxer, Anti-chafe
Brand: Runderwear

John Zimmer

Last Updated: 3 Feb 2026

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Introducing lightweight sports underwear designed specifically for men. These innovative undergarments are crafted with breathable and moisture-wicking fabrics, ensuring maximum comfort during intense physical activities. The lightweight construction not only enhances mobility but also provides excellent support without compromising on style. With a range of sizes and styles available, these sports underwear are a must-have for any active man seeking ultimate comfort and performance.

At a Glance: Our Top Picks

#TOP 1

Runderwear Mens Running Long Boxer - Anti-chafing Underwear, Mens Long Leg Boxer, Anti-chafe

9.9

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Runderwear Mens Running Long Boxer - Anti-chafing Underwear, Mens Long Leg Boxer, Anti-chafe

#TOP1

9.9

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#TOP 2

Reebok Mens Sports Trunk 3-Pack Black

9.8

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Reebok Mens Sports Trunk 3-Pack Black

#TOP2

9.8

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#TOP 3

Runderwear Running Mens Briefs - Men’s Underwear Briefs

9.6

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Runderwear Running Mens Briefs - Men’s Underwear Briefs

#TOP3

9.6

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Top 8 Lightweight Sports Underwear for Men

#TOP 1

Runderwear Mens Running Long Boxer - Anti-chafing Underwear, Mens Long Leg Boxer, Anti-chafe

Runderwear

RW1021-M

Black

Runderwear Mens Running Long Boxer – Anti-chafing Underwear, Mens Long Leg Boxer, Anti-chafe, Lightweight, Seamless Long Boxers, Running Underwear for Men Black

9.9

FTB Score

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Features

SEAMLESS; These Running Boxers Have A 360° Seamless Design - No Side-Seams Or Labels, Utilising A Lightweight, Breathable Material That Prevents Overheating

ANTI-CHAFING; Mens Long Leg Boxer With 8” Inseam That's Designed To Be 100% Chafe Free

SWEAT-WICKING; Stay Cool And Dry As The Breathable Fabric Quickly Wicks Sweat Away From Your Skin, Keeping You Dry And Comfortable

RUNNING UNDERWEAR; These Long Boxers Use Silicone Leg-Grips To Hold Them In Place As You Run

COMFORT & DURABILITY; Long-Lasting, Technical Fabric Is Super-Soft And Durable, Sustainably Crafted From 100% GRS-Certified Recycled Fabric Made From 92% Recycled Polyamide, 8% Elastane

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#TOP 2 Best Reebok Sports Underwear for Men

Reebok Mens Sports Trunk 3-Pack Black

Reebok

U5_C8260_RBK_3PKA_M

Black

Reebok Redgrave Boxers for Men | Pack of 3 Mens Sports Trunks, Breathable & Stretchable Underwear for Men | Multipack Boxer Shorts, Black, M

9.8

FTB Score

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The Reebok Sports Trunk offers exceptional comfort for your everyday needs. Crafted from lightweight and stretchable fabrics, these trunks mould to your body shape, ensuring you stay comfortable throughout the day. The moisture-wicking properties help to keep you dry by drawing sweat away from the skin, making them ideal for workouts or warm weather. Additionally, the multipack option allows you to stock up on essentials while reducing packaging waste, giving you convenience and sustainability in one purchase.

What We Like

Comfortable and breathable fabric

Moisture-wicking properties

Convenient multipack purchase

Machine washable for easy care

#TOP 3

Runderwear Running Mens Briefs - Men’s Underwear Briefs

Runderwear

RW1031-L

Black

Runderwear Running Mens Briefs – Men’s Underwear Briefs for Running, Anti-Chafe, Breathable, Moisture Wicking, Sports Underwear Black

9.6

FTB Score

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Features

SEAMLESS MENS BRIEFS; 360° Seamless Design Means No Side-Seams Or Labels

ANTI-CHAFING; Running Underwear For Men That Provides Anti-Chafing Performance In Classic Mens Briefs Fit, Keeping You 100% Chafe Free

SPORTS UNDERWEAR; Lightweight, Breathable Material Prevents Overheating While Sweat-Wicking Fabric Keeps You Dry And Comfortable

RUN COMFORTABLY; These Running Boxers Are Long-Lasting, With A Technical Fabric Is Super-Soft And Durable

HIGH QUALITY; Made From 92% Recycled Polyamide And 8% Recycled Elastane (GRS Certified)

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#TOP 4

Under Armour Men's 3-Pack Performance Tech Boxer Brief

Under Armour

25UUSHJ193-001

Black/Grey/Camo

Under Armour Men's 3-Pack Performance Tech Boxer Brief Cover

Under Armour Men's 3-Pack Performance Tech Boxer Brief, 6" Inseam – Breathable, Moisture Wicking, Soft Touch, All-Day Comfort, Black/Grey/Camo, S

9.4

FTB Score

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Features

Made From Sustainable, Recycled Polyester, Treated With Non-Biocidal, Metal-Free Odour Control Technology, Offering Eco-Friendly Performance.

Upgrade Your Underwear With Lightweight, Breathable, And Ultra-Soft Performance Tech Fabric That Stays Cool And Provides A Zero-Distraction Fit.

Under Armour's Innovative Design And Mission To Help Athletes Perform Better, Delivering A Streamlined, Fitted Look That's Never Too Tight Or Too Loose.

Snug Yet Comfortable Fit With A Soft Performance Waistband And 4-Way Stretch Construction That Moves With You In Every Direction.

Mesh Zones In The Pouch And Gusset, Articulated Fly, And No Side Or Back Seams Ensure Maximum Chafe-Free Comfort.

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#TOP 5

Channo Mens Seamless Underwear: Cool Microfiber Boxer briefs

Channo

Channo-5803-pack6-L

Black Pack 6

Channo Mens Seamless Underwear: Cool Microfiber Boxer briefs Cover

Channo Mens Seamless Underwear: Cool Microfiber Boxer briefs - Comfort Soft Stretch Fabric Pack, Support Tagless, Black Pack 6, L

9.4

FTB Score

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Features

EVERYDAY FUNCTIONALITY: These Boxer Briefs Have Mastered The Art Of Comfort—lightweight, Moisture-Wicking, And Breathable. The Elastic Waistband Keeps Everything In Place, And The Stretchy Material Moves With You. Whether You're Chasing After A Bus Or Just Chasing The Couch, They've Got Your Back (and Front).

EXCEPTIONAL COMFORT: Channo Men's Boxer Briefs Are So Soft, You'll Wonder If You're Wearing A Cloud. Made From A Nylon-Microfiber Blend, They Offer All-Day Comfort Without The Annoying Itching Or Sagging. It's Like Your Body's Personal VIP Lounge—without The Bouncers.

VERSATILE DESIGN: Running Errands, Sitting In Meetings, Or Napping On The Couch—whatever Your Day Looks Like, These Boxer Briefs Are Up For It. Classic Fit, Tagless Design, And Zero Fuss. It's The Wardrobe Essential Your Closet's Been Missing.

STAY COMFORTABLE THROUGHOUT YOUR DAY: The Tagless Design And Soft Waistband Are Here To Make Your Day Smoother. No Awkward Adjustments, No Pinching. Just Comfort That Goes The Distance, From Morning Coffee To Late-Night Snacks.

IDEAL FOR COMFORT-SEEKERS: If You've Ever Wanted A Pair Of Underwear That Feels Like A Hug For Your... Well, You Know, These Are For You. Soft, Breathable, And With Just The Right Amount Of Stretch, They're Perfect For Men Who Appreciate Comfort Over Everything Else.

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#TOP 6

PUMA Men's Black Microfiber Boxer Shorts

PUMA

701210963

Black

PUMA Men's Sport Microfiber Long Boxer Shorts, Black, L UK

9.4

FTB Score

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The PUMA Microfiber Boxer Shorts are designed with your comfort in mind. Made from recycled materials, they are an eco-friendly choice. The ergonomic fit ensures you can move naturally without restriction, making them perfect for active lifestyles. With HeiQ material innovation, these shorts feature anti-odour properties, keeping you feeling fresh throughout the day. Additionally, their moisture-wicking capabilities help you stay cool and dry, making these boxer shorts a practical addition to any wardrobe.

What We Like

Eco-friendly materials

Comfortable ergonomic fit

Anti-odour technology

Moisture-wicking properties

#TOP 7

Sikma Mens Compression Boxer Shorts Base layer Skin Tight Briefs Sports Gym Fitness Bottom

Sikma

Cemo/Navy

Sikma Mens Compression Boxer Shorts Base layer Skin Tight Briefs Sports Gym Fitness Bottom (CEMO/NAVY, XL)

9.4

FTB Score

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Features

The Lightweight Compression Underwear Offers Maximum Comfort During Fitness And Sporting Activities

Compression Boxer Shorts Base Layer Designed Specifically For Running, Cycling And Fitness Activities. We Use High Quality Italian Lycra That Regulates Body Temperature, Wicks Away Moisture, Dries Quickly, Controls Odor And Improves Fit To Enhance Performance.

High-Quality Italian Lycra Fabric That Keeps You Dry And Wicks Sweat Away From The Body

Flat Seams Allow Freedom Of Movement And Prevent Skin Irritation, Regulates Body Temperature (it Neither Makes You Hot Nor Too Cold)

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#TOP 8

CARANXTEX Mens Compression Underwear Breathable Mesh Boxer Briefs Moisture Wicking Athletic Underwear Trunks

CARANXTEX

Men's Boxer Briefs

White

CARANXTEX Mens Compression Underwear Breathable Mesh Boxer Briefs Moisture Wicking Athletic Underwear Trunks Cover

CARANXTEX Mens Compression Underwear Breathable Mesh Boxer Briefs Moisture Wicking Athletic Underwear Trunks with Pouch WHITE M

9.3

FTB Score

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Features

[BREATHABLE MESH FABRIC] The Surface Of The Boxer Briefs For Men Is Made From A Mesh Fabric That Promotes Maximum Breathability And Ventilation. This Not Only Enhances Comfort But Also Helps Regulate Body Temperature, Preventing Overheating And Keeping You Cool And Comfortable Throughout The Day

[UNIQUE DryMaxLite TECHNOLOGY] Our Mens Briefs Underwear Is Crafted With Revolutionary DryMaxLite Technology, Ensuring Ultimate Comfort And Optimal Performance

[QUICK-DRYING FEATURE] Mens Underwear Briefs Is Designed To Dry Quickly, Keeping You Comfortable During Intense Workouts Or Demanding Physical Activities. The Ultra-Light Men's Underwear Naturally Wicks Moisture, Dries Rapidly, And Controls Perspiration For Long-Lasting Comfort. The Fabric Also Absorbs And Neutralizes Odors, Even After Repeated Washings

[FOR ANY OCCASION] Our Underwear For Men Pack Combines Fashion, Comfort, And Durability, Making It The Perfect Choice For Modern Men Who Appreciate High-Quality Underwear. It Makes An Excellent Gift For Men On Christmas, Birthdays, New Year's, Valentine's Day, Or Anniversaries. These Athletic Underwear Are Not Only Suitable For Everyday Wear But Also For A Variety Of Activities, Including Running, Skiing, Skateboarding, Football, Baseball, Basketball, Tennis, Volleyball, Soccer, And Hiking

[3D POUCH & ELASTIC WAISTBAND] The 35mm Wide, Highly Elastic Waistband Of The Men's Underwear Ensures A Comfortable Fit Between The Men's Boxer Briefs And The Skin, With No Binding Sensation. It Is Also Designed To Stay Secure, Not Easily Loosening Or Slipping Off. The 3D Pouch Provides Excellent Support For Personal Areas, Ensuring Ample Space And A More Comfortable Wearing Experience While Reducing Friction And Irritation. The Open Fly Design Meets Your Needs In Various Situations

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Frequently Asked Questions (FAQs)

1. What underwear do male athletes wear?

Best for the gym: Men's Under Armour Tech 6” Boxerjock. Best for rest days: Gymshark Boxers. Best for cooling and lighter sessions: Smartwool Men's Merino 150 Print Boxer Brief. Best for everyday wear: Nike Flex Boxer Briefs.

2. What is the most breathable mens underwear?

The Best Moisture-Wicking Underwear If your top priority is keeping everything dry and cool, David Archy quick-dry boxer briefs are your best bet. They're made from a polyamide mesh, which allows for both optimal ventilation and moisture-wicking.

3. What underwear do athletes wear?

Many athletes however wear compression (lycra-type) underwear beneath these shorts for better support. In certain events, male and female athletes instead tend to wear tight-fitting lycra shorts.

4. What kind of underwear do marathon runners wear?

Materials. Avoid cotton underwear for running, since it absorbs moisture and holds onto sweat. Opt for smooth and stretchy fabrics that are quick-drying and will wick away sweat, such as polyester or nylon, to keep you dry and comfortable.

Editor's Notes

During our lightweight sports underwear for men research, we found 108 lightweight sports underwear for men products and shortlisted 8 quality products. We collected and analyzed 4,804 customer reviews through our big data system to write the lightweight sports underwear for men list. We found that most customers choose lightweight sports underwear for men with an average price of £20.00.

The lightweight sports underwear for men are available for purchase. We have researched hundreds of brands and picked the top brands of lightweight sports underwear for men, including Runderwear, Reebok, Under Armour, Channo, PUMA.

Written by

John Zimmer

John Zimmer is a truly professional writer on findthisbest.com. He has specialized in writing content a wide variety of fields for over a decade. Since 2011, he has been using his expertise and extensive experience to write content for online shopping guide websites. In addition to writing for findthisbest.com, he has appeared in publications such as The Spruce, Wirecutter and Bestbuy.