Cycling isn’t just about the bike—it’s about how you feel during every pedal stroke. Ill-fitting or non-breathable underpants can turn a scenic ride into a sweaty, uncomfortable ordeal. In 2025, advancements in fabric technology, ergonomic design, and sustainability are redefining what cyclists wear underneath. Let’s dive into the top options and trends that’ll keep you comfortable mile after mile.
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 Cycling-Specific Underpants Matter
Cycling demands gear that works as hard as you do. Regular underwear can chafe, trap moisture, or shift during movement, causing distractions. The best cycling underpants for 2025 solve these issues with:
-
Moisture-wicking fabrics to keep you dry.
-
Seamless construction to prevent chafing.
-
Supportive pouches that cradle without constricting.
-
Lightweight materials for breathability in all conditions.
Key Features to Look For in 2025
1. Fabric Technology
Modern cycling underpants use blends like nylon-spandex or Merino wool for a balance of stretch and breathability. For example, moisture-wicking synthetics excel in hot weather, while Merino regulates temperature in variable climates.
2. Chamois Integration
While traditional cycling shorts have built-in padding, some riders prefer padded liners worn under casual shorts. Brands like Aero Tech Designs offer liners with multi-density foam or gel pads for long rides.
3. Ergonomic Fit
Look for no-pinch waistbands and 3D pouch designs that move with your body. Brands like RMAC Store use a “REAL Pouch System” (sizes A–D) for personalized support.
4. Sustainability
Eco-friendly materials like recycled nylon and Tencel Lyocell are trending. Patagonia’s Essential Boxer Briefs, for instance, blend Tencel with spandex for a soft, planet-friendly option.
Best Men’s Underpants for Cycling in 2025
1. RMAC - Best Underpants for Men 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
2. X-TIGER Men's 5D Padded Cycling Underwear
Featuring a 5D gel pad and anti-slip leg grippers, this underwear offers enhanced comfort and stays in place during rides. It's designed to fit snugly under your regular shorts or pants.
3. BALEAF Men's 4D Padded Bike Shorts
These shorts come with a 4D padding and side pockets, providing both comfort and convenience. The moisture-wicking fabric keeps you dry, making them suitable for long-distance rides.
4. PEARL iZUMi Transfer Liner Shorts
Known for their moisture-wicking and quick-drying properties, these liner shorts offer a comfortable chamois pad and are designed to be worn under your favorite riding shorts.
5. Zoic Premium Cycling Liner Shorts
Featuring a high-quality chamois and breathable fabric, these liner shorts provide excellent support and comfort for extended rides. The elastic waistband ensures a secure fit without discomfort.
6. Aero Tech Designs Elite Padded Mesh Liner
Designed for high-mileage rides, this liner features an elite chamois pad with multiple density levels for ergonomic support. The lightweight micro-mesh fabric enhances breathability and moisture management.
2025 Trends Shaping Cycling Underwear
1. Smart Fabrics
Brands are experimenting with sensor-integrated liners to track heart rate and muscle fatigue. While still niche, these innovations hint at a data-driven future.
2. Gender-Inclusive Designs
Unisex fits and extended sizing (XXS–4XL) are becoming standard, ensuring comfort for all body types.
3. All-Weather Versatility
Water-resistant liners and thermoregulating fabrics let riders tackle rain or heat without changing gear.
How to Choose Your Perfect Pair
Match the Pad to Your Ride
-
Short commutes: Thin, flexible pads.
-
Century rides: Multi-density foam or gel.
Prioritize Breathability
Look for mesh panels or perforated fabrics in high-sweat zones.
Test the Waistband
A secure-but-comfortable waistband prevents sagging. RMAC’s Modal Boxer Briefs use a no-roll design that stays put.
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.