If you're all about that barely-there, I-forgot-I'm-wearing-it feeling, you're likely already a fan of Knix. The brand is a superstar for a reason, mastering the art of creating seamless, breathable intimates that make comfort feel like a luxury. From their famous period-proof underwear to supportive-yet-comfy bras, Knix has become a go-to for functional, stylish essentials.
But if you're looking to expand your collection of comfortable favorites, you're in luck. Whether you need something for everyday wear, a touch of lace, or eco-friendly options, here are 18 incredible brands like Knix worth adding to your top drawer.
ThirdLove is obsessed with the perfect fit, and it shows. They built their brand around offering a huge range of sizes, including innovative half-cups, to ensure everyone finds a bra that feels custom-made. Like Knix, they prioritize high-quality, comfortable fabrics for everyday wear but place a stronger emphasis on providing a wide variety of bra styles for every need.
Shop now at thirdlove.com
Soma is all about designing intimates that feel incredibly soft against your skin without sacrificing support. Their bras and underwear often feature smooth, breathable fabrics reminiscent of Knix's seamless collections. While Soma’s designs can feel a bit more traditional, their unwavering commitment to comfort makes them a fantastic alternative for reliable, feel-good essentials.
Shop now at soma.com
Aerie champions soft fabrics, inclusive sizing, and effortless styles that make you feel good. Known for their body positivity, they offer countless seamless and wireless options that are perfect for anyone seeking the comfort and relaxed vibe of Knix but at a more affordable price point. It's the ultimate destination for laid-back, stylish, and super-comfy intimates.
Shop now at ae.com
Lively perfectly marries comfort and style with a cool, modern aesthetic. Their bras, underwear, and loungewear - affectionately dubbed "leisurée" - are designed for women on the move. You'll find sleek, seamless, and wireless designs that rival Knix for everyday wear but with a distinct, fashion-forward twist that feels both effortless and intentionally chic.
Shop now at wearlively.com
Famous for their ridiculously soft, signature lace thongs, Hanky Panky proves that comfort and elegance can coexist. While the aesthetic leans more flirtatious and romantic than Knix, their foundational principle is the same: to create underwear that feels amazing. If you love comfy fits but want to add a touch of luxe lace to your drawer, this is your brand.
Shop now at hankypanky.com
For decades, Maidenform has been a reliable choice for functional, supportive, and comfortable intimates and shapewear. Their focus on seamless designs and all-day comfort channels the same practical energy as Knix. With affordable prices and a vast range of sizes and styles, it’s a go-to for great-fitting basics that work with your body.
Shop now at maidenform.com
Natori blends luxury with comfort, creating lingerie and loungewear that feels both indulgent and practical. Their designs often feature elegant tailoring and premium fabrics, but they never sacrifice a soft, comfortable fit. Think of Natori as the elevated, more refined sister to Knix's everyday functionality - perfect for when you want comfort that feels a bit more special.
Shop now at natori.com
If sustainability is as important to you as comfort, meet Boody. This eco-friendly brand crafts its underwear and basics from super-soft, breathable bamboo viscose. Their simple, minimalist silhouettes are ideal for everyday wear, sharing Knix's focus on breathable fabrics and versatile styles that form the foundation of anyone's wardrobe.
Shop now at boody.com
Known for its signature crinkle-stretch fabric seen on celebrities everywhere, Hunza G is all about effortless comfort. While they are primarily a swimwear brand, their fabric's insane stretch and softness are perfect for those who prioritize ease of movement, just like Knix fans. Their aesthetic is laid-back and playful, offering a unique texture for your basics collection.
Shop now at hunzag.com
UNIQLO is king when it comes to affordable, high-tech basics. Their AIRism innerwear line is a must-try for anyone who loves Knix's functional fabrics - it's incredibly breathable, moisture-wicking, and lightweight. With a focus on practicality and seamless designs, UNIQLO delivers fantastic performance-driven comfort for a fraction of the price.
Shop now at uniqlo.com
For those who believe comfortable underwear should also be fun, MeUndies is the answer. Made from cloud-soft micromodal fabric, their undies and loungewear come in a rainbow of vibrant solid colors and quirky, limited-edition prints. They match Knix's passion for ultimate comfort but inject a major dose of personality and playfulness.
Shop now at meundies.com
Wander + Wonder offers thoughtfully crafted loungewear and underwear from sustainable, planet-friendly materials. Their minimalist designs and commitment to eco-conscious practices make them a great alternative for shoppers seeking cozy, chic basics. They share Knix's focus on comfort but take it a step further with a transparent, sustainable approach.
Shop now at wanderandwonder.co
True & Co. is a major player in the wireless and seamless comfort game. Famous for their buttery-soft fabrics that mold to your body, their bras and underwear disappear under clothes and feel like a second skin. Their philosophy aligns perfectly with Knix's, blending fit, function, and comfort into intimates you'll genuinely love wearing every day.
Shop now at trueandco.com
Lunya elevates rest with its luxurious loungewear and sleepwear made from innovative, high-quality fabrics like washable silk. While primarily focused on what you wear to bed, their pieces are so stylishly comfortable they easily double as sophisticated separates. If you love the versatile, comfort-first approach of Knix, you'll appreciate Lunya's chic and cozy aesthetic.
Shop now at lunya.co
Eberjey is synonymous with softness. Their lingerie, pajamas, and loungewear feature plush fabrics and a relaxed, feminine vibe that feels incredibly dreamy. The focus is always on creating pieces that are touchably soft and non-restrictive, sharing Knix’s core mission of comfort but with a decidedly cozier, more romantic feel.
Shop now at eberjey.com
Handcrafted in Italy, Cosabella brings vibrant pops of color and beautiful lace to the world of comfortable lingerie. While known for their sensuous designs, their pieces are made from exceptionally soft Trenta lace and innovative fabrics that prioritize fit and feel. It's the perfect choice when you want Knix-level comfort with a bold, eye-catching aesthetic.
Shop now at cosabella.com
Lise Charmel is high-end French lingerie that doesn't compromise on comfort. Each piece is exquisitely crafted with fine details and luxe materials, designed to offer superior support and a phenomenal fit. While more of a special-occasion indulgence, it delivers on the promise of comfortable underwear for those who appreciate true artistry and luxury.
Shop now at us.lisecharmel.com
A true classic, Jockey has been delivering reliable, gimmick-free comfort for over a century. They offer a huge variety of styles, from breathable cotton to seamless microfiber, all designed for durability and accessibility. If you value Knix’s practical, comfort-driven ethos, Jockey is a tried-and-true brand that always gets the basics right.
Shop now at jockey.com
At Apart Style, we're obsessed with curating the best in fashion, beauty, and jewelry to help you discover new brands we think you'll love. Every brand we feature is independently selected by our editorial team based on quality, style, and uniqueness. When you make a purchase through our links, Apart Style may earn a commission - which helps support our small team, and allows us to continue bringing you the best in online style brands.
Looking for more inspiration? Explore our full brand directory or check out our curated brand guides to find your new favorite thing.
