Our brand-new line of period underwear, Fearless, is officially here. Designed for light flow days, Fearless keeps you comfy, confident, and leak-free—while helping you make a sustainable choice for your cycle.
Whether you're winding down your period, have a naturally light flow, or just want that extra peace of mind any time of the month, Fearless is made for you. Say goodbye to bulky pads and tampons, and hello to a lighter, freer way to move through your day.
What Makes Fearless So Special?
We created Fearless with one goal in mind: comfort and protection without compromise. Here’s what makes it your new cycle essential:
✔️ Low-cut and lightweight – Sleek and simple, perfect for everyday wear
✔️ Absorbent & leak-proof – Keeps you dry and worry-free, even during workouts
✔️ Thoughtfully designed – Minimal seams and a smooth silhouette mean no bunching, no lines, and no fuss—just all-day comfort
✔️ Bold, feel-good prints – Available in Pink Cheetah, Blue Cheetah, and soft Lilac, Fearless is as fun and fierce as you are
Designed for Real Life
Fearless is for everyone who wants to feel secure and stylish on their period. Whether you’re a teen just getting started, postpartum and easing back into your cycle, an athlete needing extra support, or just looking for a backup on lighter days—Fearless fits seamlessly into your routine.
Available in sizes XS to 3XL (XS, XS, S, M, L, XL, XXL, 3XL), including plus size options, Fearless is made with soft, stretchy materials that hug your body without digging in or riding up. Comfort and confidence for every shape, size, and flow.
Thais is wearing Fearless blue cheetah size 3XL
Built-In Tech That Works as Hard as You Do
Fearless isn't just cute—it's seriously functional. Each pair features advanced multi-layer technology designed to manage your flow without the need for disposable pads or tampons. Here’s how it works:
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Top Layer – Stay Fresh & Dry: The inner lining is made from soft, antibacterial cotton that wicks moisture away from your skin and keeps odors in check. It’s breathable and gentle—perfect for sensitive skin.
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Absorbent Core – Locks in Liquid: Beneath the surface is a highly absorbent polyester layer that holds up to light flow without feeling bulky. It traps fluid and keeps it away from your body, so you stay dry and comfortable all day long.
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Leak-Proof Barrier – Total Peace of Mind: The third layer is your security guard—an ultra-thin, leak-proof membrane that prevents anything from seeping through to your clothes. Whether you're on the move or curled up on the couch, this layer’s got your back.
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Outer Fabric – Soft, Secure Fit: The exterior is made from a stretchy blend of polyamide and elastane, giving you that just-right snug fit that moves with your body, never against it.
This smart construction means you can wear Fearless just like regular underwear—no awkward rustling, no bulky feel, no stress. It’s protection you don’t have to think about.
Meet the Perfect Pair: Fearless & Flow Freedom
Looking for all-day, all-night coverage? While Fearless is your go-to for light flow days with its sleek, low-cut design, Flow Freedom has you covered when your period needs a little more support. Designed in a hipster cut for extra coverage, Flow Freedom features a built-in absorbent pad that extends all the way to the back—making it ideal for heavy flow days or overnight wear. Both styles are ultra-comfy, leak-proof, and made for every part of your cycle. Choose one or mix and match to build a period underwear wardrobe that actually works with your body.
Feature | Fearless | Flow Freedom |
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Best for | Light flow, spotting, daily backup | Heavy flow, overnight protection |
Cut | Low-cut brief | Hipster-style for more coverage |
Absorbent pad | Standard gusset coverage | Full-length pad to the back |
Design details | Minimal seams, smooth silhouette | Extra security without bulk |
Prints & colors | Pink Cheetah, Blue Cheetah, Lilac | Burgundy, Aubergine, Dusty Rose, Black |
Feel | Lightweight & barely-there | Secure & supportive for heavier flow while thin and stretchy |
Why We’re Choosing Ships Over Planes
Our commitment to the planet goes beyond products. Fearless is shipped via sustainable sea freight, which generates up to 47x less CO₂ than air transport 🌍✈️ Every pair is a step toward reducing waste and protecting the environment—without sacrificing quality or comfort. We’re making a conscious effort to reduce our carbon footprint. We also believe in staying true to our brand; sustainability doesn’t stop at the product itself—it’s in every decision we make, right down to how we get it to you.
2% donations:
Back in 2013, we partnered with the Golden Girls Foundation to help create lasting change for disadvantaged girls in Kenya. What started as a mission to provide menstrual cups and education in Nairobi soon expanded to Masogo village in Kisumu, where our support helped establish a thriving learning centre.
Today, this school is a hub of growth and empowerment, supported by 11 dedicated teachers and 7 women mentors who guide and inspire young minds.
With the launch of our Ruby Life Underwear range, we’re taking that mission even further. 2% of every sale goes directly to the learning centre’s nursery, helping to shape the future for the next generation. Because education is power—and everyone deserves the opportunity to learn.
Care Tips for Fearless
These undies are made to last—with a little love:
✔️ Wash on a cold cycle
✔️ Hang to air dry
✔️ Avoid fabric softener, bleach, tumble dryers, and ironing
What They’re Made Of
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Lining: 100% Antibacterial Cotton
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Middle layers: 100% Polyester for absorbency and leak-proof protection
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Outer fabric: 85% Polyamide, 15% Elastane for a soft and secure fit
Pre-Order Now & Join the Movement
With Fearless, you’re not just investing in game-changing period protection—you’re also supporting sustainable production and ethical shipping choices. And that? That’s a fearless move. 💪✨
🚢 Order now and be part of the change!
Love Fearless? Or any previous products at Ruby Cup that you might have tried? Leave us a review on Trust pilot. We always love to hear from you and who knows you might even feature in our newsletters or social media!