Underwear has come a long way from being just a hidden necessity. Today, it sits at the crossroads of fashion, comfort, and self-expression, constantly evolving with new trends and technologies.
In 2025, the spotlight is on modern undies that blend style, innovation, and real-life practicality. Shoppers are searching for options that look great, feel even better, and keep up with every lifestyle. This guide dives into the 9 must-have modern undies styles set to redefine comfort, boost confidence, and set trends this year.
Curious which seamless designs, eco-friendly picks, and tech-infused fabrics deserve a place in your drawer? Let’s discover the essentials for a truly modern undies wardrobe.
The Rise of Modern Undies: Trends & Innovations
The world of modern undies is rapidly evolving, blending comfort, ethics, inclusivity, and technology. As we head into 2025, these trends are reshaping what we expect from our everyday essentials. Let’s dive into the top innovations and cultural shifts driving the next wave of modern undies.
The Shift Toward Comfort and Functionality
Comfort is king in the world of modern undies. The shift was fueled by the rise of remote work and the growing popularity of athleisure, leading consumers to seek underwear that feels as good as it looks. According to a 2024 Mintel survey, 67% of women now prioritize comfort over appearance when choosing undies.
Designers are responding with seamless and tagless styles, which eliminate irritation and create a smooth silhouette under clothes. The demand for invisible, no-show options is at an all-time high. For a deeper dive into this trend, check out Seamless underwear trends, which explains why seamless construction is a game-changer for modern undies.
Sustainable & Ethical Materials in 2025
Sustainability is no longer a bonus, but a requirement for modern undies in 2025. Eco-conscious shoppers are driving a surge in fabrics like organic cotton, bamboo, and recycled synthetics. This shift has led to a 35% year-on-year increase in searches for sustainable underwear, as reported by Lyst in 2024.
Brands are now transparent about their sourcing and production ethics, making it easier for consumers to choose responsibly. Modern undies made from these materials not only reduce environmental impact but also offer breathability and softness. As shoppers become more educated, ethical production is set to become the standard, not the exception.
Inclusivity & Body Positivity in Modern Undies
Modern undies brands are embracing inclusivity like never before. The industry is expanding its sizing, offering more skin-tone shades, and introducing adaptive designs for all bodies. Campaigns that celebrate diversity, such as Parade’s 2024 collection featuring models of every shape and ability, are helping consumers feel seen and valued.
The days of restrictive fits are fading. Now, flexible, body-hugging options dominate, ensuring comfort and confidence for everyone. Modern undies are at the forefront of the body positivity movement, proving that great underwear is for every body, not just a select few.
Tech-Infused Fabrics & Smart Features
Innovation is pushing modern undies into the future with tech-infused fabrics and smart features. Moisture-wicking, odor control, and temperature regulation are now standard in many collections. Some brands are even experimenting with embedded sensors for health tracking, offering a glimpse into the next generation of underwear.
For example, Sheath Underwear’s sweat-wicking technology is a hit among active consumers. As interest in performance-based modern undies grows, expect even more smart features to become mainstream, blending function with comfort in every pair.
9 Must-Have Modern Undies Styles for 2025
Ready to transform your underwear drawer? The landscape of modern undies is evolving, with innovative designs and features that prioritize comfort, inclusivity, and style. Below, discover the 9 must-have modern undies styles for 2025 that deliver on every front, whether you seek invisible lines, sustainable materials, or cutting-edge tech. Let’s dive into the best options for every body and lifestyle.
1. Ambar Wear Invisible Camel Toe Thong
The Ambar Wear Invisible Camel Toe Thong sets a new standard for modern undies by solving one of the most common wardrobe challenges: camel toe. With its seamless design and anti-camel-toe technology, this thong ensures you stay confident in every outfit.
Core Features:
- Seamless construction for a truly invisible look
- Patented anti-camel-toe panel eliminates front wedgies and visible lines
- Breathable, moisture-wicking fabric keeps you cool and dry
- Sweat patch prevention for all-day freshness
Unique Selling Points:
- Signature innovation specifically engineered for women who want worry-free modern undies
- Comfort-first fit that flatters every body type
- Available in a wide range of sizes and skin tones
Target Audience:
- Women seeking invisible, practical, and stylish modern undies for daily wear and workouts
Benefits:
- Boosts confidence under leggings, dresses, and activewear
- Prevents discomfort and embarrassing moments
- Easy to care for and affordable at $14.90
Pros:
- Disappears under clothing
- Lightweight and breathable
- Inclusive sizing
Cons:
- Thong style may not suit everyone’s preference
Customer reviews often mention how these modern undies have increased confidence, especially for those who love wearing fitted leggings. Want to learn more about the technology behind camel toe proof modern undies? Check out the Camel toe proof undies guide for an in-depth explanation.
2. ThirdLove Comfort Stretch Brief
ThirdLove’s Comfort Stretch Brief is a favorite among fans of modern undies who prioritize softness and support. Its ultra-soft micro-modal fabric and seamless finish deliver day-long comfort.
Core Features:
- Seamless micro-modal fabric for a smooth fit
- Wide waistband offers gentle, non-binding support
- Tagless design prevents irritation
Unique Selling Points:
- Extensive size range from XS to 3X, embracing all body shapes
- No-ride-up construction—stays put all day
- Multiple skin tone options for a personalized look
Target Audience:
- Women who demand comfort and inclusivity in their modern undies
Benefits:
- Smooths lines under clothing for a polished look
- Machine washable for easy care
- Eco-friendly packaging
Pros:
- Body-positive fit
- High customer satisfaction on fit and comfort
Cons:
- Limited color range in some styles
ThirdLove’s 2024 report found that 80% of customers are satisfied with the fit, making these modern undies a top choice for everyday wear.
3. Parade Universal High Rise Brief
If you crave expressive, sustainable modern undies, Parade’s Universal High Rise Brief delivers. This style blends eco-friendly fabrics with bold, inclusive design.
Core Features:
- Recycled mesh and TENCEL™ Modal blend for breathability
- High-rise cut for comfort and coverage
- Seamless edges for a no-show look
Unique Selling Points:
- Gender-inclusive sizing and marketing
- Vibrant, trend-forward colors
- Environmentally conscious materials
Target Audience:
- Anyone seeking sustainable, inclusive, and expressive modern undies
Benefits:
- Moisture-wicking and quick-drying
- Statement-making designs
- Affordable price point ($12–$14)
Pros:
- Breathable and lightweight
- Environmentally friendly
- Inclusive sizing and marketing
Cons:
- Sheer mesh may not suit every occasion
Parade’s 2024 campaign proudly featured models of all gender identities and sizes, showing that modern undies are for everyone.
4. Calvin Klein Modern Cotton Thong
The Calvin Klein Modern Cotton Thong remains a staple in the world of modern undies, beloved for its timeless style and iconic branding.
Core Features:
- Signature elastic logo waistband
- Soft cotton-modal blend for all-day comfort
- Minimalist silhouette
Unique Selling Points:
- Recognizable Calvin Klein branding
- Wide range of color options
- Durable construction
Target Audience:
- Fans of classic, sporty modern undies with a contemporary edge
Benefits:
- Versatile for both everyday and athleisure wear
- Machine washable and long-lasting
Pros:
- Reliable fit
- Wide color selection
Cons:
- Logo waistband may show under low-rise pants
According to Statista, these modern undies continued as a bestseller in 2024.
5. Knix Leakproof Bikini
Knix’s Leakproof Bikini is redefining modern undies for those seeking both style and function. With its absorbent gusset, it offers peace of mind for periods and light leaks.
Core Features:
- Built-in absorbent layer for leak protection
- Seamless sides for invisibility under clothes
- Odor-resistant and moisture-wicking
Unique Selling Points:
- Leakproof for periods and incontinence
- Sizes from XS to XXXXL
- Eco-friendly alternative to disposables
Target Audience:
- Women who want protective, comfortable modern undies for daily and period wear
Benefits:
- Discreet protection without pads or liners
- Comfortable for all-day wear
- Machine washable
Pros:
- Eco-friendly
- Inclusive sizing
- Trusted by millions
Cons:
- Higher price point
- May need several pairs for cycle coverage
Knix sold over 2 million leakproof modern undies in 2024, highlighting their popularity and impact.
6. Soma Vanishing Edge Microfiber Hipster
The Soma Vanishing Edge Microfiber Hipster offers a seamless, no-show solution for those who want their modern undies to stay put and stay hidden.
Core Features:
- Patented Vanishing Edge® silicone strips prevent ride-up
- Smooth microfiber fabric
- Mid-rise fit
Unique Selling Points:
- No panty lines under fitted clothes
- Wide selection of prints and solids
- Extended sizing options
Target Audience:
- Women seeking invisible modern undies for leggings, dresses, and more
Benefits:
- Stays in place all day
- Soft, stretchy, and easy to care for
Pros:
- Invisible under clothing
- Machine washable
Cons:
- Silicone strips may feel unusual for sensitive skin
Good Housekeeping rated these as the best no-show modern undies in 2024.
7. MeUndies Modal Boxer Brief
MeUndies Modal Boxer Brief brings playful prints and unisex appeal to the world of modern undies. Their MicroModal® fabric feels like a second skin.
Core Features:
- Ultra-soft MicroModal® fabric
- 4-way stretch for maximum comfort
- Flatlock seams prevent chafing
Unique Selling Points:
- Unisex design with fun, seasonal prints
- Subscription service for convenience
- Wide size range from XS to 4XL
Target Audience:
- All genders looking for ultra-soft, fun, and comfortable modern undies
Benefits:
- Breathable and durable
- Retains softness through many washes
Pros:
- Eco-friendly modal
- Playful designs
Cons:
- Pricier for single pairs
- Limited support for intense activity
MeUndies has sold over 17 million pairs of modern undies since launch, showing their broad appeal.
8. Everlane The Invisible High-Rise Hipster
Everlane’s Invisible High-Rise Hipster is perfect for those who want their modern undies to stay out of sight and out of mind. With bonded seams and recycled nylon, these undies are both sustainable and sleek.
Core Features:
- Bonded seams for a seamless look
- Lightweight recycled nylon
- High-rise coverage
Unique Selling Points:
- “Invisible” under clothing
- Minimalist design
- Sustainable materials
Target Audience:
- Eco-conscious shoppers seeking a barely-there feel in modern undies
Benefits:
- No visible lines under outfits
- Soft, smooth, and flattering fit
Pros:
- Affordable price
- Sustainable construction
Cons:
- Not ideal for high-impact activities
Vogue named these modern undies a top seamless pick for 2024.
9. Tommy John Second Skin Brief
The Tommy John Second Skin Brief delivers premium comfort and durability in modern undies for both men and women. MicroModal® fabric and a stay-put waistband ensure a luxurious experience.
Core Features:
- MicroModal® fabric for a cool, soft feel
- Stay-put waistband and contour pouch (men’s style)
- Tagless, anti-pilling design
Unique Selling Points:
- Luxurious, long-lasting construction
- Satisfaction guarantee
- High customer ratings
Target Audience:
- Men and women seeking premium modern undies with superior comfort
Benefits:
- No bunching or riding up
- Moisture-wicking for all-day freshness
Pros:
- Durable and soft
- Tagless comfort
Cons:
- Premium price
- Fewer color options
GQ has recognized these modern undies as the best men’s underwear for three years running.
How to Choose the Right Modern Undies for Your Body and Lifestyle
Finding the perfect pair of modern undies can feel overwhelming with so many styles, fabrics, and features available. The right choice should suit your unique shape, daily routine, and personal comfort needs. Use this guide to narrow your options and invest in undies that make you feel confident every day.
Assessing Fit, Fabric, and Function
Start by measuring your waist and hips to determine the best fit for modern undies. Knowing your numbers helps you select the right rise and coverage, whether you prefer hipsters, briefs, or thongs. Pay attention to how the waistband sits and if the leg openings feel snug but not tight.
Fabric choice is also crucial. Cotton offers breathability for sensitive skin, while modal feels ultra-soft and smooth. Performance blends provide stretch and moisture-wicking for active lifestyles. When shopping for modern undies, fit should always come before brand. If you notice common issues like rolling, bunching, or pinching, try a new size or cut for better comfort.
A well-fitting pair of modern undies will stay put and feel almost invisible under clothing, letting you move with confidence all day.
Matching Undies to Activities and Outfits
Your daily activities should guide your choice of modern undies. For workouts or yoga, seamless and moisture-wicking options prevent chafing and stay hidden under leggings. If you need ideas, check out Invisible panties for modern looks for styles that disappear under slim-fitting clothes.
Office wear often calls for smooth, no-show undies that won’t create lines under trousers or skirts. For nights out, you might prefer a high-rise or shaping style for added confidence. Many people have a dedicated set of modern undies for lounging at home, prioritizing stretch and softness.
Think about layering and how your undies will interact with your favorite outfits. The right modern undies will keep you comfortable and supported, no matter where your day takes you.
Prioritizing Skin Health and Sustainability
If you have sensitive skin, look for modern undies made from hypoallergenic fabrics and free of harsh dyes. Organic cotton, bamboo, and undies crafted from recycled materials are gentle on skin and better for the planet. Choosing eco-friendly options is a growing trend, with more consumers seeking sustainable underwear brands.
According to Sustainable Underwear Market Trends, shoppers are increasingly motivated by ethical sourcing and low-impact production. Always check care instructions to prolong the life of your modern undies and reduce waste.
Prioritizing your skin’s health and the environment can make your underwear drawer a source of pride and comfort.
Shopping Tips and Brand Transparency
Before buying new modern undies, read customer reviews to learn about real-life fit and comfort. Check return policies so you can exchange or return pairs that don’t work for you. Seek brands that are transparent about their sourcing and ethical manufacturing processes.
Brands that publish supply chain information and third-party certifications tend to earn higher consumer trust. Subscription services can be a fun way to try different modern undies styles and save money over time.
Making informed choices ensures your modern undies collection is both stylish and responsible, giving you confidence in every layer.
The Future of Undies: What to Expect Beyond 2025
As fashion and technology continue to merge, the future of modern undies looks more exciting than ever. The next wave of innovation is set to redefine comfort, sustainability, and self-expression, promising options that go far beyond basic essentials. If you love keeping up with the latest in modern undies, get ready for a future that’s functional, inclusive, and smarter than you might expect.
Innovations on the Horizon
The upcoming years will bring breakthroughs in smart fabrics and biodegradable materials, paving the way for truly revolutionary modern undies. Imagine underwear that adapts to your body temperature or monitors your health in real time. MIT’s 2024 prototype for temperature-adaptive underwear is just the beginning.
Personalized fits powered by AI-driven sizing will become more common, making sure your modern undies feel like a second skin. For a deeper look into these trends, check out the Smart Underwear Market Forecast, which highlights how technology is transforming everyday comfort. Expect more brands to invest in customizable features, seamless construction, and planet-friendly innovation.
Shifting Consumer Values & Fashion Cycles
Cultural shifts will have a huge impact on modern undies. Body positivity, gender inclusivity, and eco-consciousness are all shaping what shoppers want. According to a 2025 market forecast, gender-neutral underwear is expected to grow by 18 percent, reflecting a move toward more inclusive options.
At the same time, retro styles are cycling back into fashion, but with a modern twist. Think classic silhouettes updated with new materials, bold colors, and flexible fits. This blend of nostalgia and innovation is making modern undies both stylish and meaningful.
The Role of Influencers & Social Media
Social media platforms like TikTok and Instagram are driving trends and discovery in the world of modern undies. Viral challenges, such as the 2024 “no-show” underwear trend, have boosted sales for several leading brands. Influencers are now trusted sources for honest reviews and real-life styling tips.
This shift gives shoppers more confidence when choosing modern undies, as they can see how products perform on diverse bodies. Expect influencer-driven launches and limited-edition collaborations to remain a key part of the industry’s future.
Globalization & Local Artisans
The global reach of modern undies is expanding, with international brands and local artisans both finding their place. Demand is rising for artisan-made lingerie in regions like Europe and Asia, blending global trends with unique, handcrafted details.
Growth in the seamless underwear market is also making waves, as highlighted in Seamless Underwear Market Growth Projections. This fusion of large-scale innovation and small-batch craftsmanship ensures that the future of modern undies will be as diverse and dynamic as the people who wear them.